Specifications Mini Bluetooth Speakers 1. Support TF and FM 1. High bass and fashion look 2. Bluetooth with microphone 3. Voice prompt Rockwell Items will make your world rock & roll! Hot selling Mini Bluetooth Speakers New Mini Bluetooth Speakers with Hands-Free Function Features------------------------------------------------------------------- 1. High Glossy Surface 2. Excellent Sound Performance3. All functional speaker with TF/FM/Bluetooth/Microphone/data transmision4. Plug and Play / No Driver Installation Required5. Magnetically Shielded to prevent distortion from screens6. Compatible with all Brand Name and Model PCs and Laptops Specification-------------------------------------------------------------- Basic InformationMaterial Stainless steel + ABSAvailable ColorBlack, Silver, RedNet Weight450 gSize55*55*50 mmLogoOEMAccessoriesUSB cable, audio cable, user manualPacking infoGift Box: 85*85*100mmCarton Size50 p
Specifications colorful mini portable bluetooth speaker with handsfree mic *Bluetooth V2.1+EDR *Rechargeable Li battery *Noise reduction colorful mini portable bluetooth speaker with handsfree mic Features & Functions: Applicable equipment: mobile phones, tablet PC, PC, notebook, etc. A bluetooth deviceApplication: phone hands-free calls, network, bluetooth hands-free calls wireless audio playback, TF card, music player, FM radio, AUX audio inputThe Bluetooth version: Bluetooth 2.1 + EDR (enhanced data rate mode)Bluetooth protocol: A2DP bluetooth stereo (protocol)Bluetooth remote control (AVRCP)HFP (hands-free protocol)Bluetooth range: 20 meters (linear barrier-free condition)Bluetooth hands-free standby time: 15-25 hours (software and hardware is different, each phone bluetooth hands-free standby time difference)Mic type: built-in microphone to noise reductionMaiKePin ring: 100 hz - 18 KHZMic impedance: < 2.2 kohmsMic: sensitivity - 42 DBV/PaUSB charging recharge
Specifications 1.SNR: more than 80db 2.Powered by li-ion battery/ USB cable 3.CE/ FCC/ RoHS 4.OEM/ ODM 5.1 year global warranty High quality mobile phone hand-free mini bluetooth speaker (BS05) * Compact and portable design, easy to carry * Hands-free calls make sure a saf
Brand Name: E-WONDERLAND Model Number: 51804596 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage,Outdoor Channels: 1 Special Feature: Wireless,Portable Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: Product size:6x6x5.5CM QTY: 30PCS/CTN G.W./N.W.:12.5/11.5KGS Ctn Meas.: 47*28*26CM / 0.034CBM Package: Gift box 20"GP=24690PCS 40"GP=51180PCS 40"HQ=57330PCS Delivery Detail: 25 days Specifications Super Era subwoofer Bluetooth speaker 1.Material:Metal 2.Output: 3W THD=10%,40MM 3.Built-in rechargeable Li-ion battery Features:1.Material:Metal2.Output: 3W THD=10%,40MM3.Built-in rechargeable Li-ion battery4. Steel shell with plastic cover Function:1.Support MP3 and WMA format music2.Reading Micro SD card3.Song memory function4.Excellent volume with powerful bass5.Hands-free and direct phone answering6.FM radio from 87.5 to 108 MHz7.Line in to notebook,PC,iPhone,mobile,MP3,MP4 etc8.Earphone co
Specifications mini digital bluetooth speaker 1.portable bluetooth speaker 2.support Hands-free Bluetooth phone 3.wireless mini speaker wholesale Hands-free digital bluetooth speaker,mini magic bluetooth speaker Features:1.Support Hands-free Bluetooth phone2. Bluetooth music player3. 3.5mm audio input 4.support car perfume 5.OEM logo acceptable The operation and function description:1. Press the pause playback, press two to call again2.Equipped with 50 ml of perfume, can add to here3.3.5mm audio input, can be easily connected to PC, MP3, MP4, mobile phone and other sources4.Mini USB for charging5.Voice, the touch of a button Product parameter:1.Speaker: 40*3W2.Built-in lithium&n
Specifications bluetooth wireless speaker Output power: RMS 4W*1 THD=10%Frequency Response: 150-18KHz Loud Speaker: 4Ω 3W*1 Signal and noise ratio: ≥80dB Battery: 400mahBass booth: NOBluetooth wireless speaker
Brand Name: OEM Model Number: bluetooth wireless speaker Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Battery Capacity: 520mAh Battery Voltage: 3.7V Bluetooth Version: V2.1 Charging Time: 2Hours Working Range: Up to 10m Dimention: 60*60*50mm Frequency: 280Hz_16KHZ Warranty: 1 year Certification: CE RoHS Packaging & Delivery Packaging Detail: Gift Box Package . Dimension:60*60*50mm QTY:50Piece/carton Net Weight: 12KGS Gross Weight:13KG Delivery Detail: 4-6 days delivery upon receiving payment Specifications mini s10 bluetooth speaker *bluetooth & TF card for speaker *connect with bluetooth cellphone/pc/laptop *stereo S10 speaker 2013 Latest Powerful Mini S10 Bluetooth Speaker Cellphone Speaker with Bluetooth & TF card S10 Bluetooth Speaker CE RoHS FCC &
Specifications bluetooth speaker,usb speaker,bluetooth usb speaker 1: Bluetooth player mobile music, call (pay attention to the short boot Bluetooth built in order to connect a Bluetooth) 2: TF card inserted U disk3: LINE IN and FM: resonance function (better on a flat surfacecolorful lights effect)
Brand Name: Fanntech Model Number: FT103 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage Channels: Stereo Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Color: Purple/Red/White/Pink/Blue Speaker Output Power: 4Ω 2W Audio Output: Built-in Mini USB Jack Power Source: Rechargeable Li-ion Battery Frequency Response: 100Hz-20KHz Signal to Noise: ⥠80 db Distortion: â¤1% Material: Plastic Certificate: CE/FCC/RoHS OEM/ODM: Accept Packaging & Delivery Packaging Detail: Neutral/Customized Gift Box: 62.5*62.2*116.5mm (WHD) Carton: 345*295*335mm (WHD) 40pcs in one carton Gross weight per carton: 6.3kg Delivery Detail: Sample 3 Days /Mass Production 10-12 Days Specifications Bluetooth Speaker with Super Bass System Powerful Built-in Amplifier Elegant and Mini Design Bluetooth Hi-fi System Fanntech Bluetooth Speaker - FT103 Bluetooth stereo player by wireless way to enj
Specifications newest super-long standby intercom 1.radiation proof 2.rubber paint 3.wireless Pay attention:Pls write which color do you need, otherwise, we will ship it at ramdon! Your understanding would be great appreciate! Specifications: 1.The bluetooth version:v2.1+ERD2.Frequency range:(2.4 ~ 2.48GHZ)3.Bluetooth support:H S P,H F P4.talktime:less than 8 hrs5.playtime:less than 8 hrs6.standbytime:less than 150 hrs7.charge time:3-5 hrs8.charge voltage:DC5V Features: 1.Super lightweight, small size double than market similar products2.The first hands-free car phone wearing your seatbelt on3.the first two applications product---Hands-free talk back Headphone jack all passaple4.Hiking is easy to carry5.Products rich in color:black pink red blue 6.1000pcs can be arbitrary
Specifications Price: $10.50/pc to $15/pc Colors: blue,red,black round bluetooth speaker to laptop computers with 3.5 mm audio cable and Micro usb cable Painted by rubbe oil, High-grade fineness and fine touching feel,made with environmental protection material, small and portable, delicate and cool.owned wireless phone function, especially suitable for people who are driving, safe and no radiation pollution Equipped with an answer button, which owned decline a call and phone callback function Equipped with 3.5 mm audio cable and Micro usb cable, owned audio play and charge function Supports breakpoint memory mode, can automatically memory the songs you quit play last time and patterns The microcomputer power in the Speaker usb can automaticly and quickly charge lithium battery stereo audio input, can be connected to laptop computers and all kinds of audio-visual products can be used 4-8 hours continuously when completed chargedMax output power: 3 wlithium battery voltage:
Brand Name: ump Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: original gift box Delivery Detail: in three days after payment Specifications Portable mini bluetooth speaker 1.Speaker for MP3/MP4 Player 2.Speaker for Phones 3.Speaker for Laptop 4.Good quality Description:Portablet mini bluetooth speaker 1.Speaker for MP3/MP4 Player 2.Speaker for Phones 3.Speaker for Laptop 4.Good quality Features:1. High Glossy Surface 2. Easy access volume control3. Excellent Sound Performance4. Plug and Play / No Driver Installation Required5. Magnetically Shielded to prevent distortion from screens6. Compatible with all Brand Name and Model PCs and Laptops
Model Number: F-1127 Type: Passive Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) speaker: 3Wx2 power: Built-in rechargeble battery,using time:8hours Packaging Gross Weight per Unit: 0.5 kg Package Size per Unit: 12X9X8 cm Package Type: gift box
Specifications 1.new style wireless bluetooth speaker. 2.working when you connect TF card/computer/mp3/mp4/cell phone/tablet PC etc. materialaluminium alloy+ABSsize59*-59*55mmweight72gcolorsilver,red,green,blue etcMOQ500packinggift box 1.Various colors for your choose,such as red,silver,black,gold.Warmly welcome OEM requirement. 2.Stereo sound,buildin Li-ion battery,rechargeable from usb port. 3.Bluetooth wireless receives function,remote control distance: Up to 10m. 4.Work when you connect TF card/computer/mp3/mp4/cell phone/tablet PC etc.(cell phone,tablet PC etc requests bluetooth software installing) 5.Speaker: 4Ω 3W. Package including:
Specifications Mini waterproof bluetooth speaker 1) IPX5, Pool Floating 2) Bluetooth Speaker 3) Shower Speake 4) stylish design Promotional!! Mini waterproof bluetooth speaker for iPhone ipad Specifications: materialABSunit size74*60*52mm batterybuilt-in lithium batteryBluetooth Specification2.1+EDRBluetooth ProfileA2DP AVRCPRF Range10 metersFrequency Response100Hz-20KHzLoudspeaker Output3 WSignal-To-Noise≥75dBDistortion≤1.0%Playback Time8 hoursCharging Time1-2 hourscharging interfaceDC2.0 •1. latest 3.0+EDR bluetooth standard. •2. music playing as long as 8 hours. •3. support bluetooth stereo. •4. high sound quality, shocking bass. •5. audio transmission distance:10 meters •6. Support iphone/ipad, all phones that support bluetooth stereo, MP3,MP4•7. unit size:74*60*52 mm. •8. simple and fashionable designing. •9. waterproof button design. •10. plastic jacket,fashionable and top-grade. •11.
Brand Name: TONIKA Model Number: TA-296 Type: Passive Use: Mobile Phone,Computer,tablet pc Channels: 1 Special Feature: Wireless,Portable,Mini Place of Origin: China (Mainland) color: black and siliver Packaging & Delivery Packaging Detail: export standard packing Delivery Detail: 7-10 days Specifications waterproof bluetooth speaker Hand free function. cystal-clear sound. With emergency torch waterproof bluetooth speaker with emergency torch Function:With bluetooth speaker,AUX IN and emergency torch. With hand free function. Bluetooth version:3.0 Bluetooth c
Specifications 1,Bluetooth 4.0 Version 2,Stereo Bluetooth speaker 3,3.5 LINE OUT AUX function 4,Talking time up to 8 hours AUDIOMAXBLUETOOTH SPEAKERBluetooth version: 4.0Dimensions: 150 x 55 x 35mm* Small size, big sound and superior performance* Large button design, easy to use* Intelligent voice prompts (TTS)Battery level is displayed (supported by iPhone)Ultra-low power wind noise repression technology (WNR)Supports multi-point connectionsBuilt-in microphone, high-definition voice (HD voice) call qualityEasily pair with intelligent phones, iPad or other Bluetooth devices3.5 line-out aux functionTalking time: up to 8 hoursLine-out jack, can be use as Bluetooth receiver to connect with home theater speaker or other audio device which without Bluetooth function Manufacturer: We have been manufacturing telecom products for 20 years.
Brand Name: iStyleCity Model Number: ISCTSP06 Use: Portable Audio Player,Mobile Phone,Computer Special Feature: Portable,Mini Place of Origin: Guangdong China (Mainland) color: red blue grey design: Bluetooth Speaker Packaging & Delivery Packaging Detail: Retail Package(Color box) Delivery Detail: 3-5 days after your payment done Specifications 1.Black,White,Red Colors available 2.Some stocks 3.OEM 4.Factory price 5.Good quality Description:Ultra compact unit with built-in lithium battery, makes it more portable and long time music listening via Bluetooth wireless, which let you enjoy the music anywhere in the air.Features:- Mini shape- Can be treated as a handset- USB plug for charing- 360 degree round sound- Silicone rubber surround case- This speaker allows you freely to make or receive calls whether on the journey or in the office- You can enjoy HIFI quality music when connecting to devices with USB plug- Support iPhone5/4S/4, iPad, iPod, Android Tablets, smart phones and all kind
Brand Name: DOSS,OEM Model Number: DS-1168 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage,For ipad and Ipod Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Frequency response range: 65Hz-20KHz SNR: â¥55dB Distortion: THD<0.5% Power supply mode: Lithium battery Warranty: 1 year Rated power: PO=1.5W Color: Red star,passion red and space silver Weight: 499g Size: 10.4*9.2*8.8cm Packaging & Delivery Packaging Detail: Retail package Delivery Detail: Within 7 days Specifications 1. Very mini big sound bluetooth speaker 2. Bluetooth certificate 3. Accept OEM 4. Available price 2013 mini new design fashion cheap portable bluetooth speaker Features:1.The workmanship is meticulous and simple sense is good.2. It's convenient to operate bluetooth. 3. Speaker
Specifications Bluetooth Speaker With Microphone. Mini Aluminium Bluetooth Loudspeaker. Stylish Portable Sound Box. Fashion Patent Design. Aluminum Wireless Bluetooth Speaker With Microphone Product features: SpecificationsBluetooth version2.1 + EDRBluetooth transmission distance 10-15 metersOutput power3WSupport ProfileA2DP AVRCPFrequency Response120 to 20kHzSignal noise ratio≥85d BSpeaker impedance4 ΩRechargeable batterypolymer lithium battery 5V600mAhCharging time /Playing timeabout 4 hours/about 6 hoursDistortion:≤1.0%Charge connector:Micro-USB connectorSpeaker Size:52x 52x38mm(H)Housing materialMetalColor:Color: White,Black.Color Box Size69*89*119mmN. W / G.W122/258gAccessoriesManual1 pcaudio cable1 pccharge cable1 pcPaymentEscrow ,Paypal ,Western Union ,T/T.DeliveryDHL,EMS,UPS,Fedex ,TNT ,By Sea , By Air etc
Specifications New Mini Bluetooth Speaker 1.Excellent sound 2.Phone pickup/hang up function 3.Fashionable look New Mini Bluetooth Speaker Details: Comply with Bluetooth 3.0+EDRRF range: 10MFrequency response: 100HZ-20KHZOutput: 3WS/N Ratio: >75db Distortion: <1.0% Playback time: 8-10 hoursCharging time: 3-4 hours Features: Phone pickup/hang up functionBuilt-in high sensitivity microphoneSimple on/off switch on the bottom of the unitLine-in function
Specifications Portable Mini Bluetooth Speaker with MP3, Support TF card 1.Excellent sound 2.Fashionable look 3.Bluetooth handsfree functio Factory supply colorful bluetooth speaker Functions:1.Built-in bluetooth 2.1+EDR wireless module.2.Bluetooth audio sound,perfect sound quality and best effect.3.10 M transmision distance.4.Support iphone,ipad and other devices with bluetooth function.5.High quality audio A2DP V1.2 Hand-free design ,answer call easily.6.Bluetooth music controlling functions.7.Built-in li-lion battery,with Micro USB interface.8.3.5 audio input jack, Support line-in function.9.Delicate design and easy to carry.10.Colorful LED flash11.Long Playing time:over 2 hours.12.Accessories:
Brand Name: Bluetooth Model Number: P101 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Yunnan China (Mainland) color: white Packaging & Delivery Packaging Detail: original pack Delivery Detail: 3 to 6 working days after confirming your payment Specifications -- Life like sound -- Always ready to go Portable wireless bluetooth speaker Speaker type:Portable speakerAdjust method:touch sensitive buttonFunctions:bluetooth audio input, bluetooth handsfree, Mp3, LINE IN, SD cardPower supply:DC5V(USB), Built-in lithium battery 420mAhRated power:2.2W S/N: >80dBS/N: <0.5%@(1KHz)Frequency respones: 90Hz-20kHz Audio connector: 3.5mmSize: Φ110x30mmPlaying time: 4 hoursWeight: 138gOther charact:
Specifications Bluetooth Speakers With Hands Free Function For Beat Support TF card Music play:5hrs talking:12hrs standby:400hrs Bluetooth Speakers With Hands Free Function For Beat Feature1) Bluetooth laptop speaker2) Can be connected to iphone, ipad, MP3/MP4 player, mobilephone, computer, etc3) Powered by USB cable or built-in lithium battery ( about 5hrs play time)4) Hi-fi sound output, good performance in bass sound system5) The data transmission can reach 2.1Mbps6) Bluetooth signal transmission distance: within 10m7) Color available: Cola Red, Space Silver, Pearl Black, Old Copper, Metal White8) Support TF card. Specification Bluetooth Specififcation1. Version: Blurtooth 2.1+DER2. Frequency Range: 2.4-2.48GHz3. Communication Distance: Within 10m4. Communication Protocol: HS/HF, A2DP, AVRCP, OPP Audio1. Speaker Size: Dia 40mm2. Rated Power: 3W3. Frequency Response: 100Hz-18KHz4. SNR: ≥95dB5. Distortion: THD ≤ 5% Battery1. Capacity: 450mA2. Inpu
Brand Name: OEM Model Number: MPS-828 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage,Outdoor Channels: 1 Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Certification: CE/Rohs/FCC/REACH Material: ABS Power Source: USB power supply cable Guarantee Period: One year Battery: Lithium battery Packaging & Delivery Packaging Detail: Color box: 115*95*62mm Carton size: 53*25.5*36CM QTY/CTN: 50pcs Delivery Detail: 10-25days Specifications MPS-828 Patent product hot sell bluetooth speaker 1.CE.ROHS.FCC.REACH 2.Support bluetooth 3.Cute fashion design 4.OEM/ODM MPS-828 Patent product hot sell bluetooth speaker Technical details: Power supplier:DC5V Output power:2WFrequency:200Hz——18KHzSignal&noise ratio≥60dBImpedance:4 OHM(Ω)Output:3.7V~4.2V+0.05V Input:5VSpeaker Unit:40mmCase Material:ABSDimensions:H50mm*D52mmWeight:58.5gColor:OEMLithium battery capacity:400mAh
Brand Name: U-Lion Model Number: UL-U800 Type: Passive Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer,Stage,Portable Audio Player, Mobile Phone, Computer Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini,Portable, Mini Place of Origin: Guangdong China (Mainland) Model Name: Power Bank Mini Bluetooth speaker Rated Type: 2*3W Socket Type: Universal Micro USB Frequency Range: 200Hz~20000Hz Mpedance: 4Ohm Packaging & Delivery Packaging Detail: White box, Gift box, Blister packing, Normal English packing or your OEM packing. Delivery Detail: 3-5 days after payment Specifications 1.Direct factory supply 2.High quality control system 3.Short lead time 4.New and fashion design 5.MOQ:100 pcs SpecificationsModel No.UL-U800Product NameNewest bluetooth speaker with microphone and mobile power bank functionSpecificationsBluetooth: 2.1+EDRPower output: 2*3 WFrequency range: 200-20000 HzSensitivity: 79 db ± 3Impedance: 4 OhmBattery capacity: 2500 mAh
Specifications New Protable Bluetooth speaker 4Colors frequency;160HZ-20KHZ Support iPhone and etc. payment:T/T,Western union New Protable Bluetooth speaker For iphone for car ! New Protable Bluetooth speaker For iphone for car Mini Multi-function speaker with bluetooth*supports for A2DPV1.2 and AVRCPV1.4 Profile:*With high level of integration , low cost and low power*Bluetooht standard V2.0*Support A2DPV1.2 and AVRCPV1.4Profiles*Work with all sound source with 3.5 audio interface product like : MP3 ,Computer ,mobile phone ,CD player etc*From a range of up to 10 meters from the speakers, wirelessly stream music from any Bluetooth-enabled device such as your mobile phone, notebook, iPhone or iPad. *With music pouring out of its two powerful 3-inch drivers, be sure to grace your party with the latest hits and dance away. *Compatible with iPhone 4, iPod Touch 4G, iPad, Droid (with latest operating platform) and other bluetooth devices *Inbuilt lithium battery with
Brand Name: CASUN Model Number: BS-206 Type: Active Use: Portable Audio Player,Mobile Phone,Computer Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) color: silver,blue,red,gray and so on Speaker output: 4Ω3W with TF card slot: Yes with voice function: Yes FM function: optional effective distance: 10m transmission power: bluetooth class 2 Packaging & Delivery Packaging Detail: giftbox Delivery Detail: 7days Specifications Portable Mini Bluetooth Speaker with MP3, Support TF card 1.Excellent sound 2.Fashionable look 3.Bluetooth handsfree funct Mini Bluetooth Speakers manufacture factory Thus the best possible price advantage to provide consumers with the best quality. New Mini Bluetooth Speakers with Hands Free Function ----------Features---------------------------------------------------------- 1.phone handsfree 2. TF Card Slot for mp3 files; 3. Bluetooth speaker:3. 0 Working distance: 10M
Specifications 1.Suport TF card 2.High quality good sound 3.With handsfree function 4.Portable mini style High quality good sound portable bluetooth speaker Power Specification :Power : 1*5WResponse Frequency : 100HZ-18KHZSNR : 80dBDistortion : Less 1%Product Size : 62*62*65MMWithin a magnetic Speaker Size : Dia.40 *H22.5MMSpeaker Features : DUAL voice coil , 10-core dual magneticColor Box Size :92*92*90MMNet Weight : 166gBluetooh :about 10M
Brand Name: N/M Model Number: BSP02 Use: Portable Audio Player,Mobile Phone,Computer Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Name: popular bluetooth speaker with MP3, Support TF Card color: Black, Silver, Blue, Red keyword: bluetooth speakers Packaging & Delivery Packaging Detail: color box Delivery Detail: 3-5 days Specifications New Mini Bluetooth Speakers 1.supprot wireless 2.support TF card 3.support phone handsfree popular bluetooth speaker with handsfree, Support TF Card, ----------Features----------------------------------------------------------1. High Glossy Surface 2. Easy access volume control3. Excellent Sound Performance4. Plug and Play / No Driver Installation Required5. Magnetically Shielded to prevent distortion from screens6. Compatible with all Brand Name and Model PCs and Laptops ----------Specification----------------------------------------------------- Basic InformationMater