Brand Name: Abramtek Model Number: XWAY-M8 Type: Active,450mAh Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer,Stage,Gift Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Capability: Portable Buletooth Player Voltage: 3.7V Certification: CE RoHS Frequency response: 50Hz-18KHz Color: Silver,HT Size: 78*78*70mm Warranty: 12 months Packaging & Delivery Packaging Detail: carton or wooden box with IPPC Delivery Detail: within 3 days after payment Specifications 1) Mini Gift Speaker 2) Bluetooth speaker 3) Phone speaker 4)Play with MP3,MP4,ipod,mobile, phone,laptop,etc. Super Hot Wireless Bluetooth Speaker For Iphone Speaker ----------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 Bra
Brand Name: wesdar Model Number: K-387DS Type: Active Use: Computer Channels: 2 (2.0) Special Feature: Portable,Mini Place of Origin: Guangdong China (Mainland) color: red silver Packaging & Delivery Packaging Detail: neutral box packing wesdar packing OEM packing Delivery Detail: 10 days after deposit Specifications 1.New bluetooth speaker 2.with FM radio 3.Support SD/MMC card USB 4.With bluetooth 1.New bluetooth speaker 2.with FM radio 3.Support SD/MMC card USB4.With bluetooth Description: (1)High Quality Stereo and pure sound speaker (2)With SD/MMC,U-disc reader MP3/WMA format music can be played. (3)Connect DC5V adaptor/USB to be recharged (4)Connect 3.5MM stereo audi cable to speaker socket Line in (5)Built-in FM (6)car shape speaker
Specifications 1.OEM&ODM are available 2.Compact and Portable 3.Made of Aluminium 4.CE,FCC,ROHS bluetooth speaker • This is an amazing little device that can turn almost any surface into a high fidelity speaker. Tables, chairs, windows and walls will all come alive with the 360°Vibration Speaker. This makes a great travel speaker as it fits easily into your suitcase, purse, coat pocket, you name it. It's a perfect replacement to your flat sounding computer speakers. Works great in a dorm room because it doesn't take much space, but the sound is great. What a great unique gift it is! Features: 1.Portable,Wireless .2.Experience 360°sound with just one portable speaker.3.Ideal for iPhones, iPads, cell phones, computers, notebooks, netbooks and other audio 4.players with standard 3.5mm audio jacks.5.Built-in rechargeable lithium battery charges via included USB cable. Charges and plays at the same time.6.TransFlash Slot (Micro SD card is not included).
Specifications Portable mini bluetooth speaker 1.Speaker for MP3/MP4 Player 2.Speaker for Phones 3.Speaker for Laptop 4.Good quality Wholesale Mini Bluetooth Speaker Portable Design for Outdoor Activity 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 Specification: Brand/Model NoProduct positioning and selling pointsBL-N8Sell points :parameter: Version V:3.0metal sense design;frequency 2.402-2.480GHz max power output4Wportable, hanging portable designMIC sen
Brand Name: HFD Model Number: HFD-S60 Place of Origin: China (Mainland) Style: Headset Microphone Use: Computer Microphone Communication: Wireless Packaging & Delivery Packaging Detail: Product Size:6.7*6.7*12cm 100pcs/ctns Ctn Size:57*28*56.5CM G.W:23.5KGS Delivery Detail: 2-3 days for sampes, 15-20 days for mass production Specifications Portable Sucker Silicone Bluetooth Speaker for Iphone,Ipod,Mp3 player Portable Sucker Silicone Bluetooth Speaker for Iphone,Ipod,Mp3 player Bluetooth wireless audio transmission,portable, hanging portable design,Can suck base speakers,Hands-free car bracket of bluetooth speakers &
Specifications 2013 Newest Bluetooth Mini Speaker (ST-BS01) Material:Metal Color:pink,red,black Range:10m CE,FCC,ROHS 2013 Newest Bluetooth Mini Speaker (ST-BS02) Version Bluetooth V2.1+EDR Battery 3.7 V 600 mAh,rechargeableCharge Time 2-3 hoursRange 10M Standby time About 6 hours (battery saturation state) &nb
Specifications 1.With phone handsfree bluetooth speaker. 2.A key to answer,negeren and callback function 3.Power outage memory Portable Bluetooth Speaker :Bluetooth speaker product specifications: Technical parameters: FeaturesBuilt-in battery Built-in rechargeable battery Audio output 3.5MM stereo audio output interface Power outage memory can automatically remembers the tracks when last time exit Bluetooth Maximum receiving distance of 10 meters USB Card reder can connected with the computer Audio outputearphone SpecificationsFrequency Input Bluetooth, Computer sound card function Speaker output45mm,Within the magnetic,4Ω3W Input powerDC5V,3.5mm port line in Power SupplyBuilt-in polymer rechargeable battery 500mAh3.7V Distortion<1% Work time4-8hours Operating voltage3.7V AccessoriesMicro usb 1PCS MINI speaker 1PCS 3.5mm port line in
Brand Name: OEM Model Number: SKU30087W Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Outdoor Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) color: white bluetooth version: V2.1+EDR Class II range: 2.4ghz working distance: ⤠10meters usage: tablet pc, mobile phone, computer power supply: power adapter/usb cable battery capacity: 400mAh warranty: 1 year fast delivery: within 3 days printing LOGO: available Packaging & Delivery Packaging Detail: Small box packing as picture Delivery Detail: Within 5 days for 10pcs since payment arrived Specifications mini bluetooth usb speaker, wireless speakr, bluetooth speaker high quality good service fast delivery hotselling New Arrival 2.4Ghz Wireles Mini Portable Bluetooth Speaker Specifications: SpecificationBasic FunctionBluetooth + AUXColorRed/blue/green/whiteRelated Power3WInp
Specifications Mini Bluetooth Speaker with MP3, Support TF card 1.Excellent sound 2.Fashionable look 3.Bluetooth handsfree funct New Arrival Portablet Mini Wireless Bluetooth Speaker factory price
Specifications KD-MN02 Kaidaer bluetooth speaker 1, very popular 2,original package 3,portable Bluetooth speaker KD-MN02 Kaidaer bluetooth speaker 1, professional presentation, the leading portable Bluetooth spit eaker phone:Bluetooth chip, using the latest V series to explain the infinite charm;3 Golf gorgeous appearance, compact posture feel more cordial;4,10 M ultra-long haul transmission, smart Cheng control life;5, full support for Bluetooth-enabled device, mobile phone / laptop; The sound quality is very good, super fresh. A variety of fashion colors optional lithium battery to go out and home, play music partner. Sales of the store card speaker. With standard 3.5mm LINE IN audio input line, do cell phones, notebook computers, desktops, MP3 \ MP4 external speakers.The speakers can be connected computer, can take the U disk, MP3, mobile phones and other devices is the 3.5MM jack output, which is similar to the computer j
Specifications 1.Hot!!! 2013's Main Popular stereo Bluetooth speaker 2.USB port 3..Rechargeable lithium lon battery 4.Support hand free ca Mini stereo Bluetooth speaker Function & Feature: 1. Play MP3 format music from MP3/MP4/IPOD/Computer/USB/TF card and other device etc.2. With FM radio;3. Support USB/TF card up to 16GB;4. Support Bluetooth function;5. Rechargeable battery:BL-5C;6. Support line-in function;7. Support hand free calls, and echo. Technical parameters: Model Number:NS1115Compatibel with:iPhone,iPad, table pc, notebook etc( include all device with Bluetooth function)Dimension:60mm*H50mmLoud speaker45MM; 3ΩPower output:3WBluetooth: Bluetooth V2.0+EDRBluetooth profile:<10M( According to environment and mobile phone Bluetooth device, transmission range have some different)USB charge voltage: DC 5VBattery: Built in li-ion battery, 3.7V 400 mAhPlaytime:4-8 hoursColor:OEM &nb
Specifications bluetooth speaker 1.Signal-to-noise ratio : >76dB 2.Color:multi 3.Excellent sound 4.Fashionable look Mini bluetooth speaker Specifications:Brand Name: OEM Home Theatre,Portable Audio Player,Mobile Phone,Computer,Outdoor Special Feature: Wireless,Portable,Mini
Specifications Crystal housing Unique design High-quality speaker Perfect package Specification Rated power:PO=3WFrequency Response:60HZ-20KHZDistortion factor:THD<0.5%Signal-to-noise ratio:S/N≥95DBSeparation:≥55dBSpeaker:60mm;4Ohms 3WBattery:3.7V/800mAHFM:76-108MHzBluetooth(optional)SIG Bluetooth Association certified Bluetooth compatibleBluetooth V2.1+EDR versionProduct Size:78.8*53.5mm Product Weight:320gInterface Spec USB interface:MINI USB interface; Connected to the computer, as data transmission, audio transmission LINE-IN interface,can be used as an external audio device audio input interface LINE-IN cable connect,two independent speakers can become to 2.0 left and right channel soundEarphone interface:earphone output interface LINE-IN cable connect,two independent speakers can become to 2.0 left and right channel soundTF card:Max to 16G
Brand Name: OEM Use: Portable Audio Player,Mobile Phone,Computer,Outdoor Special Feature: Wireless,Mini Place of Origin: Guangdong China (Mainland) color: mix Packaging & Delivery Packaging Detail: by brown box or by color box Delivery Detail: 15 days Specifications bluetooth speaker 1.manufacturer with reasonable 2.excelent quality bluetooth speaker 1.portable ,mini ,high quality 2.Compatible with iPod, iPhone, iPad, smartphones, MP3/MP4 playersand other audio devices equipped which with a 3.5 audio jack.3.USB flash drive function to connect PC by USB Cable4.multi-color selectable5.Mass storage Lithium battery6.support micro SD card (Max:16GB )7.FM function 8.Double speakers, nice output 9.alarm clock.
Specifications 1. Long Bluetooth Speaker 2. Good sound 3. Stereo Speaker 4. Connect to mobile phone 5. Various Colors YPBH-W093 2013 NEW Long Bluetooth Speaker Fashion color SPCIFICATION *Bluetooth version:ver3.0+EDR*Transmission distance:up to 10 meters*Output power:3W*2*Horn size:2*1.5"4 ohm inner magnetic horn*Frequency response:80Hz-19KHz*Input sensitivity:800mv 1 KHZ*Signal noise ratio:>=85dB*Degree of distortion:=<0.6% PO=2W*Input voltage:DC5V 500mA*Rechargeable battery:polymer lithium battery 3.7V800mAh*Chargeing time:about 3 hours*Playing time:about 5 hours*Net:240g*Size:155x40x58mm PICTURE COMPANY PROFILE Yinphone accessories Inc. has been dedicated in mobile phone accessories such as battery packs, chargers, faceplates, LCD and leather cases since 1995. Now we have added PDA accessories, digital camera battery packs and chargers to our business line.
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
Brand Name: Hollyta Model Number: HZ-921 Type: Active,bluetooth speaker Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer,MP3/4/5 Channels: 6 (5.1) Special Feature: Wireless Place of Origin: Guangdong China (Mainland) Color: white, gold, red, black Compatible with: all Bluetooth-enabled mobile phones, iphone, ipad, Tablets, PC/Mac . advantage: wonderful quality Size: 6(D)x5(H)cm Color box size: 11.5x7x7cm Material: Stainless steel + ABS Packaging & Delivery Packaging Detail: gift box Delivery Detail: 10-25 days based on the order confirmed Specifications Portable waterproof mini bluetooth speaker 1.Excellent sound 2.Fashionable look 3.Bluetooth handsfree function Item name: 2013 Hottest portable waterproof Mini Bluetooth Speaker Item NO.: HZ-921Speaker Specification: 1.Accord with bluetooth V3.0 &n
Specifications fashionable smart mini wireless bluetooth speaker with suction cup and answering function fashionable smart mini wireless bluetooth speaker with suction funciton Features:1. With creative design, fashionable and attractive2. Built in bluetooth, let you enjoy much freedom.3. With stereo effects, enjoy high quality sound effect.4. Working distance: 10m5. Bluetooth version:2.1+EDR6. With answering function and voicing phone number8. High quality !!!!!9. Packing: product box: 120×70×70 mm Specification:Power supply:DC5.7VOutput power: 3WFrequency: 160-20 HzSignal& noise ratio: 50DbImpedance: satallite ohms+subwoofer 2ohmsSpeaker unit:
Brand Name: BiJELA Model Number: BJ2009-HT Type: Active Use: Portable Audio Player,Mobile Phone,Computer,Outdoor Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Color: Red / Silver / Blue Specifications Bluetooth Technology, Protable Design, Built-in speakerphone function FeaturesUltra-compact, high performance Bluetooth speaker and speakerphone in the palm of your handSpeakerphone, built-in microphone, and automatic shift to phone callWorking range is up to 8mRechargeable battery built-in, giving up to 6 hours of constant playbackAux in works with all players with a standard earphone slotSpecificationsOutput power: 1x 2WS/N Ratio: ≤80dBmBuilt-in Li battery: 420mAhPowered by:USB cableBluetooth profiles: A2DP V1.2, AVRCP V1.4Frequency response: 2.4GHz-2.480GHzEffective range: 8m
Brand Name: APEXEL Model Number: BS-7 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) Color: black/white/red/blue Bluetooth Version: V2.0/3.0 + EDR Certificate: BQB,CE,Rohs,FCC Material: PC&ABS Battery: 3.7V/500mA Packaging Items per Carton: 50 Pieces/Piece Package Measurements: 45X40X40 cm Gross Weight: 16.5 kg Gross Weight per Unit: 0.33 kg Package Size per Unit: 13X9X8 cm Package Type: 1pc/color box About the shipping cost,we will calculate it again according on the quantity and the destination country
Brand Name: AIDIKA Model Number: ADJ-18BT Type: Passive Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer,Stage,wireless bluetooth speaker with led light Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Product name: wireless bluetooth speaker with led light Size: 5*5*5cm Weght: 180g Color: Pink, Blue, Black, Silver Green,Purple Service: OEM,ODM Certificates: CE,ROHS,FCC Package: Gift box Power supply: 5V/1000mA, AC power adapter, USB power rotate connect line Battery: 600mah Li-ion battery Sample time: 2-3 days Packaging & Delivery Packaging Detail: bluetooth speaker 1 gift packing, 1 usb cable,1 audio line Delivery Detail: 2-3 days Specifications wireless bluetooth speaker with led light -Bluetooth speaker -Built-in Lithium Battery -TF/SD/FM -Portable,mini wireless bluetooth speaker with led light Desktop / Computer / laptop Speakers It is engineered to be your all-in-one mobile audio
Brand Name: SSA Model Number: BTS-016 Type: Active,sucking bluetooth Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer Channels: 2 (2.0) Special Feature: Wireless,Mini Place of Origin: Guangdong China (Mainland) MOQ: 1piece Output power: 3W (1KHz,THD 10%) Frequency: 150Hz-------18KHz Signal &noise ratio: â¥65dB Impedance: 4OHM(Ω) Li-ion Output: 5V/3.7v-4.2v+0.05v Lithium baterry capacity: 500mAh color: multi-color Packaging & Delivery Packaging Detail: Carton : 50PCS/CTNS G.W.: 12KGS/CTN Delivery Detail: 14days Specifications 2013 Sucking Bluetooth Speaker 1. 3W output 2.Frequency: 150Hz-18KHz 3.Lithium baterry :500mAh Specifications 2013 Sucking Bluetooth Speaker 1. 3W output 2.Frequency: 150Hz-18KHz 3.Lithium baterry :500mAh 2013 Sucking Bluetooth Speaker Specificationssticker bluetooth speaker Handfree function silicone stick bluetoothCan be connected to the mobile phone, MP3, MP5, PC and other audio o
Specifications 2013 New mini bluetooth speaker Bluetooth Speaker 1) Mini Speaker 2) Phone speaker Hot Selling mini portable bluetooth speaker outdoor car subwoofer TF mp3 player with mic Description: RMS:4Ω,2*3Watts; .Material:Aluminium Alloy+ABS.Support Micro SD, USB disk. Handfree Micro-phone built-in.Bluetooth V3.0+EDR.Frequency Response: 100Hz---20KHz; .Bluetooth Operation Range: Up to 10 Meters; Color available:Black/Red/blue/white; .Battery1000mha.Dimension: 155*61*45mm.Support:AUX in,Cellphone,MP3,MP4,MID,PC.Support: Hi-Audio quality control by A2DP V1.2 ProductCover Case For iPhone 4/5 ipad 2/3 ipad mini Samsung galaxy,blackberry,ipod touch and oth
Brand Name: Gini Model Number: BM6 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer Channels: 1 Special Feature: Wireless,Portable,Mini Place of Origin: Fujian China (Mainland) Waterproof Level: stereo Bluetooth Verison: V 2.1+EDR Operation Range: 8 meters Supportd Profiles: DSP, HSP, HFP Item Size: d38x92mm Playing time: 16 hrs Standby Time: 120 hrs Charging time: 3hrs Colour: customized Warranty: 12 months from the shipping date Packaging & Delivery Packaging Detail: 1 in each gift box Delivery Detail: 4 weeks for first order Specifications wireless sporting bluetooth speaker for bicycle -Waterproof IP54 -with soft rubber wrap -bluetooth speaker wireless sporting bluetooth speaker for bicycle &
Specifications high quality Wireless bluetooth speaker for iphone &ipod 1. The power supply: input AC 100-240 V / 50-60hz output: DC 5 V / 1 A high quality Wireless bluetooth speaker for iphone &ipodWireless bluetooth speaker, 60dB &nbs
Brand Name: OEM Model Number: A-5133 Type: Passive Use: Portable Audio Player,Mobile Phone,Computer Channels: 2 (2.0) Special Feature: Portable,Mini Place of Origin: China (Mainland) Amplifying sound: 13db CLOR: white&red&yellow&green&black SIZE: W55xH55xD55mm Packaging & Delivery Packaging Detail: BOX PACK Delivery Detail: WITHIN 2 DAYS Specifications bluetooth speaker for MP3 MP4 Player PC Table for iPhone Cellphone USB Music Player Free shipping For iPod iPhone PC Multi Color Mini Balloon Speaker Audio Dock Description: Funny ball audio dock is a ultra-portable, battery operated mini stereo system that plays music from your mobile phone, MP3, MP4, PC, IPod and other audio devices with 3.5mm audio plug. Compatible with: Mobile phone with 3.5mm audio plug. Iphone, Ipod, MP3, MP4, PC and so on. Parameter Output power(RMS):3W Built-in Rechargeable polymer battery lasts up to 6 hours
Specifications 1.Mini Bluetooth speaker hanging portable design 2. Bluetooth wireless audio transmission 3. ariety of classic color forchoice Perfect sound mini Bluetooth speaker for Mobile phone. Specifications: Specification:Bluetooth VersionV:2.1Frequency100Hz-20KHzDistortion≤0.5%Signal-To-Noise≥85±2dbLoudspeaker Output3WRF Range<10metersBatteryBuilt in lithium batteryCapacity300MahCharging VoltageDC 5VWorking Voltage3.3~4.5VHands-free functionNoLine inYesCharging Time~3hPlayback Time~4hMaterialABSColorOptionalAccessoriesCharging cable,User ManualDimension43* H50mmWeight0.08kg G.W.:10kgGiftbox Size4.5*4.5*8cmCarton Size36.5*34.5*24.5cmQuantity per Cartoon50pcs/ctn20GP42100pcs,842ctns40GP87500pcs,1750ctns40HP110200pcs,2204ctns Product photos latest product
Brand Name: LKC Model Number: LBS012 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Bluetooth version: VER2.1+EDR Output Power: 3W Horn size: 1.5*4ohm inner magnetic horn Frequency response: 80 Hz-19 KHz Input sensitivity: 800mv 1 KHz Rechargeable battery: polymer lithium battery 3.7V500mAh Playing time: about 3 hours Bluetooth transmission distance: up to 10 meters Signal noise ratio: â¥85d B Dimensions (main body): (dia)80*42mm Packaging & Delivery Packaging Detail: standard packing(Newest style cute blue tooth high quality bluetooth speaker outdoor) Delivery Detail: 1-3days after payment Specifications bluetooth speaker outdoor Hands free function TF Card function Fm function Lovely appearance design &nb
Specifications Portable magnetic bluetooth speaker 1.2 in 1 magnetic speaker 2.Portable designing to match your Bluetooth devices Wireless portable bluetooth speaker 1.2 in 1 magnetic speaker2.Portable designing to match your Bluetooth devices3. 2.1+EDR Bluetooth 4.10M signal will be well received5.Wireless connection to iPad,iPhone or any Bluetooth-enable devices6.Rechargeable li-ion battery7.Output power: 3W(RMS)*2 8.Power supply: USB port or DC 5V9.With AUX port apply to PC, mobile phone, MP3, MP4 etc.10.Product size: Dia64X67MM*2pcs Hot sale bluetooth speaker Portable speaker!! Specification : Product sizeDia 64mm*67*mm*2Product weight0.170KGOutput power2W*2Power input voltageDC5VFrequency response60HZ—20khzSNR>70dBDistortion<0.8%SupportMP3/WMA formatFunctionApply to PC/mobile phone/MP3/MP4/Ipod/IpjoneInput wayBluetooth, USB cable,3.5mm stereo input cableDisplay time2 hoursBattery capacity1000mAhaccessoriesUSB c
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