Specifications 1.Touchkey Portable Wireless Bluetooth Speaker 2.Sensitive Touch button, good outlooking design 3.Color:white,green,pinkle BRIEF INTRODUCTION This is a new kind portable wireless Bluetooth speaker, perfect in connecting your current Bluetooth device,and offering you an wonderful sound enjoyment. The stylish design and portable size enable you to enjoy your favorable music wherever you go. FEATURES&SPECIFICATION 1. Type: portable speaker 2. Operation Method: Sensitive Touch button 3. Suitable for : Bluetooth audio input, Bluetooth hands free, MP3,LINE IN,SD card 4. Power supply: DC5V(USB),Built-in lithium batte
Specifications 1. BQB certificated 2. Colorful for selection 3.Wireless bluetooth speaker Output Power3wSignal-to -Nosie>75%Frequency Response60--20khzImpedance3ohmEffective distance10mDimension of the productL73*W73*H78.5mmWeight of the product210g Payment Terms : Trade Terms: FOB Shenzhen Payment Terms : T/T , Western Union and L/C are welcome Warranty One year limited warranty More concerned for our Items , pls do not hesitate toinquiry now!More information , pls visit our website:www.szonesky.cn
Specifications Protable bluetooth speaker 1)Frequency response:180Hz-20KHz 2)Power input:USB DC 4.2V 3W 3)Input sensitivity:92dB Protable bluetooth speakerNumber:BW0103121 Features:1.Material:ABS2.Sound box size:95 * 90 * 60 mm3.Stream music via Bluetooth wireless technology4.Portable Bluetooth wireless speaker with compact vacuum bass design streams music and hands-free calls.5.Bluetooth Ver. 2.0:Hands-free, AVRCP, A3DP, automatic connection,only one time pairing 6.AUX-in for easy connection to almost any electronic device7.Product size:96*92*54MM8.Output: RMS DC4.2V 2W THD+N=1%,9.Frequency response:180Hz-20KHz10.Power input:USB DC 4.2V 3W11.Input sensitivity:92dB12.Range:15meter effective range. Packing:color box Other:1.This product exported Mexico, the United States, Poland,Canada,Engl
Brand Name: GC Model Number: BS802 Type: Active Use: Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage,Outdoor Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) produce name: Mini bluetooth speaker Transmission distance: 10m Support: Bluetooth V3.0 Batterycapacity: 800mAH line-in function: Support Weight: 64g Stereo output: for phone/laptop/MP3/4 Frequency Response: 20HZ-20K HZ Packaging & Delivery Packaging Detail: regular packing Delivery Detail: 3-5 working days Specifications bluetooth speaker 1.Bluetooth V3.0 2.High quality audio 3.Transmission distance:10M 4.Support line-in function 2012 newest wireless bluetooth speaker for mobile phones Key Features: 1. Conform to Bluetooth V2.1 + EDR 2. Support hand free calls, and echo weakening 3. High quality audio A2DP V1.2 4.3W stereo output and high-level sound quality &nbs
Model Number: WS-S-057 Use: Portable Audio Player,Mobile Phone,Computer Channels: 1 Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: gift box with Usb cables Delivery Detail: 7~10 Days Specifications HOT!!! 2013 Portable Wireless Mini Bluetooth Speaker NEW!!! 2013 Portable Wireless Mini Bluetooth Speaker Speaker Specification: 1.Accord with bluetooth V2.0 2. Transmission range:<10M 3. USB charging voltage :DC 5V 4. Output power:3W 5. Built-in Power : Li-ion Battery 5V/
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
Specifications Magic Cube Design Bluetooth Speaker Excellent vibrant voice; Good quality control; Competitive price; Prompt delivery time. Novelty Magic Cube Design Bluetooth Speaker Product Features: 1. Bluetooth speaker2. Support playing music in Micro SD card3. LINE IN & FM functions4. Unique design(Magic Cube shape) Specifications: 1. Power: 2W*22. Voltage: DC 5V; 3.5MM Stereo3. Two loudspeakers4. Output: 4Ω3W5. Loudspeaker size: 32mm6. Built-in battery: 1000MA 7. Colors: White and black
Specifications Exclusive Brand Mini New Bluetooth Speaker Wireless Portable High Quality 2.OEM/ODM factory Exclusive Brand Mini New Bluetooth Speaker Wireless Portable High Quality
Specifications Bluetooth Mini Speaker Portable Mini Bluetooth Speaker 1.Mini bluetooth speaker 2.RF distance: 10M 3.With hand-free design Bluetooth Mini Speaker Portable Mini Bluetooth Speaker Feature --Unique metal shell, stereo bluetooth module.--RF distance: 10M--Excellent bass quality--Built-in high-capacity Li-battery--Able to dock with iPhone, ipad, loptop or desktop etc... Specification:Material: Metal + ABSRated power : 3.0WFrequency: 100HZ-20KHZSNR: ≥85dbOutput: 3.7V/400MABattery: Rechargeable Li-BatteryLoudspeaker output: 3W/4Ω RF distance: 10M
Brand Name: Wellin Bluetooth Speaker Model Number: Bluetooth Speaker ZU480 Type: Active Use: Portable Audio Player,Mobile Phone,Computer,Outdoor Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Fujian China (Mainland) Rated Impedance: 4ohm Rated Power: 3W Power supply: DC5V Built-in Li-ion battery Frequency response: 90-20KHz Sensitivity: 80db ± 2db Speaker: 1.6 inches Aux in: 3.5mm audio jack SNR: ⥠85db Distortion: ⤠0.3% Packaging & Delivery Packaging Detail: white box, color box,gift box, blister card packing,etc According to your requirement Delivery Detail: 35 days after approval sample Specifications Bluetooth Speaker 1.Price:USD12.39-13.39/PC 2.MOQ:500PCS 3.Material:ABS 4.Payment Term:T/T or L/C or Western Union or Paypa New Mini Bluetooth Speaker With Hands Free For Mobile 2012 new mini wi
Specifications bluetooth speaker 1.Price:USD8.00-14.55/PC 2.MOQ:1000PCS 3Material:ABS 4.Payment Term:T/T or L/C or Western Union or Paypal 2012 Newest style! Stereo speaker bluetooth speaker with adjustable LED light
Brand Name: OEM Model Number: E302 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage,Outdoor Channels: 8 (7.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Item: Bluetooth Mini Speaker Fuctions: Bluetooth/TF/SD/FM/USB Portable: Within 1kg Color: Black, Pink, Blue Packaging & Delivery Packaging Detail: OEM, Gift box Delivery Detail: Bluetooth Mini Speaker In stock Specifications 1. Portable MINI Speaker 2. Bluetooth/USB/TF/FM Speaker 3. Rechargeable lithium battery 4. Can be re-chargeable for iPod Bluetooth Mini Speaker Model: the sound of love E302 Product parameters:Product size: Dia.75x90mmRated Power: 5WImpedance: 2.6ΩFrequency response: 30HZ-15KHZDistortion: THD <1%Signal-to-noise ratio: S / N ≥ 85DBSeparation: ≥ 50dBLithium Specifications: 3.7V/500MAH The main features: Bluetooth phone speakers, built-in 600mah lithium battery, matching phones and tablet computers, s
Specifications 2013 Sucking Bluetooth Speaker 1. 3W output 2.Frequency: 150Hz-18KHz 3.Lithium baterry :500mAh Specifications
Specifications Smallest long distance bluetooth speaker 1.Aluminum-alloy scroll style cover 2.up to 8 devices can be stored 3.Bluetooth V2.1 Hot Products: Smallest long distance bluetooth speaker Key features and functions: 1.Smart and pocket Bluetooth speaker with built-in 550mAh Li-ion battery and extendable case.2.Bluetooth synchronous broadcasting and handsfree conversation function. 3.Bluetooth V2.1+EDR,class II,up to 10 meters 4.Support A2DP,AVRCP,headset,handfree profiles. 5.Support multiple pair (up to 8 devices),connect with the last used device automatically when power on. 6.D45mm larger driver offers 3W power and precise highs for superb sound.7.Vacuum-bass system.
Specifications 1>mini bluetooth speaker 2>Bluetooth: 2.1+EDR 3>can with Card speaker 4>RF range: 10 m 5>Signal-To-Noise: >75dB 2013 hot and Newest wireless mini bluetooth speaker Item no.: WZ-634 Main features:1. Portable or table light Bluetooth mini speaker 2. Soft LED light3. Support Mp3, mobile phone and PC4. Built-in Li-ion battery5. sensor technology to turn on/off the light6. brightness adjustable by touching * audio input: Aux* audio power: 2 x3w* the built-in efficient environmental protection rechargeable battery 3.7 V.Efficient 3 w * electronic volume control HiFi, class D stereo digital audio amplifier applications* high equipped with stereo bluetooth V2.1 + EDR format (support bluetooth specification) Portable speakers: 1)Compatible with iPod, iPhone, iPod, smart phones, MP3 players and other audio devices equipped with a 3.5mm audio jack2)Available color:Red,blue,yellow,black,white,silver. 3)Mp3 player functio
Brand Name: OEM Model Number: yfy-205 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer,Outdoor Channels: 2 (2.0) Special Feature: Wireless,Mini Place of Origin: Fujian China (Mainland) Packaging & Delivery Packaging Detail: Gift Box 110*96*63 mm Delivery Detail: 15-30days Specifications New Mini Bluetooth Speakers with Hands Free Function 1. Speaker for MP3/MP4 Player 2. Speaker for Phones 3. Speaker for La Quick Details Brand Name:OEMModel Number:YFYType:ActiveUse:Portable Audio Player,Mobile Phone,Computer,OutdoorChannels:2 (2.0)Special Feature:Portable,MiniPlace of Origin:Fujian China (Mainland)Material:MetalOutput power:THD: ≤ 0.1% (3.7V/1KHz/1.8W)Output:3.7VFrequency Response:160Hz-20KHzS/N Ratio:more than 90dbLoud Speaker:3W; 4ΩInput:5.0VPower supply:USB Power/Lithium batteryColor:Black/siliver/rose red/sky blue/gold yellowPackaging & Delivery Packaging Detail:Gift Box 110*96*63 mmDelivery Detail:Based on your order quantitySpecificati
Specifications Compact and portable design, easy to carry Support for hands-free calls Hi-Fi Bluetooth Speaker Lithium polymer battery Product Name: 2013 Hottest portable waterproof Mini Bluetooth Speaker for beats by. dre Application Range: Mobile phones, Tablets and Laptops with Bluetooth Highlights: Compact and portable design, easy to carrySupport for hands-free callsMetal housing with Hi-Fi heavy bassV2.1+EDR Bluetooth chipset Lithium polymer batteryHigh sensitivity, low power consumption, high speed, suitable for mobile phones, tablets and laptops with BluetoothAs a computer speaker for the computer without Bluetooth ItemsProduct parameterBluetooth version:2.1+EDRsensitivity:80 d
Specifications 1,Best ODM/OEM services over 12 years 2,Competitive price and strict quality control 3,Best pre-sales/after-sales service Bluetooth Speakers Specifications:Nominal Voltage: 5(V)Rated Power: 3(W)Rated Frequency: 100-18K(HZ)Impedance: 4(Ω)SNR: 85(db)Distortion Rate: 1(%)Box Material: PlasticStructure: SealedConnector: 3.5MMSize: 59.5*58.5mm Bluetooth V3.0. Compatible with any bluetooth enabled device!iPhone 4/4s/5, iPads, iPods, Android, Galaxy, Laptops, HTC phones, and anything else that is bluetooth enabled! 1. Delicate, fashionable and portable.2. No need to connect additional power. Very convenient that USB is Plug and Play.3. Clear, natural and loud sound quality.4.Small volume with large power, environmental protection and energy saving and with high safety.5.Dustproof, shockproof, anti-magnetic and with high reliability.6.With novel style, diverse and flexible.7.360 ° surround sound effect allows you to e
Brand Name: OEM Model Number: TR-SK-S8 Type: Active,Mini Amplifier Use: Portable Audio Player,Mobile Phone,Karaoke Player,Computer Channels: Big Speaker Special Feature: Wireless Place of Origin: Guangdong China (Mainland) Style: Bluetooth Color: Red,Black Certifications: BQB,CE,FCC,ROHS Packaging & Delivery Packaging Detail: Gift Box Delivery Detail: 3-15 Days Specifications Mini Bluetooth Speaker for cell phone Support A2DP,AVRCP,headset,handfree profile Range: 10meters Noise:>80db Net weight:80G Mini Bluetooth Speaker for cell phone Features: Applicable to many many digital audio players-MP3,MP4 Laptop,PC.Moblile phone.tablet,etc.patented expansile resonator increases the low frequency output . Extremely portable.Built-in rechargeable Li-ion battery protected by multiple circuits.ebnabling more than 4 hours of sound,Charging/audio input allows you to play your music while chargin your player or mobile phone. Specifications: 1)Support A2DP,AVR
Brand Name: Botao Model Number: MS-067 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer Channels: 1 Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) color: custom Style: Portable Support TF Card: Yes Power Supply: Rechargeable Battery Pack Function: Microphone hands free calls Bluetooth Version: V:3.0 Option: FM Radio Packaging & Delivery Packaging Detail: 1pcs/color box,50pcs/carton. Delivery Detail: 18-25 days after receiving the deposit Specifications 1.Support TF card play music. 2.bluetooth hands free calls. 3.Aduio input. 4.with microphone. 5.Aluminum alloy material. Aluminum alloy Bluetooth Speaker with Hands free calls Features:(1) Can play music by link to mobile phone,MP3,MP4,PC,Ipod and other audio devices, if you devices have 3.5mm socket. (2) Suitable for Promotion, Gift, Store for sell. Pocket size to carry anywhere (3) Charging Indicator (4)Functions:TF card/For m
Brand Name: OEM Model Number: MX6-B Type: Active Use: Portable Audio Player,Mobile Phone,Computer,Outdoor Channels: 1 Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Color: Silver, Red, Blue, Black, White Dimension: 62x62x68 mm Weight: 115 g Power source: USB powered/Built-in lithium battery Material: Plastic Warranty: 1 year Certificate: CE, FCC Imprint methods: Silk screen, full color imprint Playback time: 5 hours Product name: Big power mini bluetooth speaker Packaging & Delivery Packaging Detail: Each into a recycled paper box. Qty: 100 pcs/ctn Delivery Detail: 15 working days after deposit received Specifications Mini Bluetooth Speaker For Smart Phones 1-With bluetooth 2- Custom logo 3-TF card support 4- With recorder Mini Bluetooth Speaker For Smart Phones Features:01-Streamline design02-Micro SD Card reader03-Audio player(Micro SD Card needed)04-Built in recorder05-Bluetooth hands-free speakerphone06-Compatible with all audio devices vi
Specifications 1. bluetooth speaker new model 2. with FM raido 3. support TF card 4. use for phones New product J2 in special design bluetooth speaker with TF support for phones Eternal love: red, blue, black, orange, yellow, purple 6 colors for customers to choose. Insert TF card, can use for iphone and Ipad Product features: 1.Global unique patented technology-----The expandable cavity resonance(Increasing the cavity resonance space) 2.TF card speaker: support TF card,battery inside,Independent play,Do not need to connect with other audiodevices 3.Adaptation of audio equipment:MP3,MP4,PSP,computer,mobile phone and so on Audio equipment
Brand Name: ODM & OEM Model Number: P-2.1 Type: Passive Use: Home Theatre,Portable Audio Player,Mobile Phone,Computer Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Cabinet: PU Painting cabinet Finished Woofer: Full Range 2.5"x1pcs Frequency range: F-70-20KHZ Impedance: 4Ohm Sensitivity(dB/1W/1m): 87 Peak Power handling: 10~25W Colors: Different colors are available Speaker Dimension: 169.5*88*104.6mm Carton Size: 345*265*168mm Net Weight: 690g/pc Packaging & Delivery Packaging Detail: Non-woven bag + EPE + K=A Carton (Pair Packing) Delivery Detail: 30 Work days after get PO Specifications 2.1 Bluetooth Speaker with Amplifier Digital Fashionable speaker set for notebook. Amplifier bluetooth or wireless is availabl
Specifications 1.Metal Bluetooth Speaker 2.Subwoofer Design 3.Warraty 1 year 4.Sample is welcome 5.Logo is customized Hot Selling Bluetooth 3.0 Portable Bluetooth Speaker Smartphones and tablets are great. Smartphone and tablet speakers are dismal. You just can't get very good sound out of a small, flat object designed to fit in your pocket. Fortunately, you don't have to rely on your smartphone or tablet to put out sound when you're on the go. Portable Bluetooth speakers are the best way to bust out the mad jams wirelessly when you can't carry around your entire sound system, which is, pretty much all the time.More important, all the speakers here feature batteries so you can charge them up and use them for hours at a time—at the beach, the park, or even just out on your front porch—without a worry about power. (Bluetooth Wireless Stereo Speaker System allows you to pair it with an iPhone, iPad, laptop or other Bluetooth-
Specifications Bluetooth BCM3.0+ EDR TF card play function Portable and ergonomic design bluetooth speaker wholsale GS003 bluetooth headphone mini bluetooth speaker Bluetooth BCM3.0+ EDRTF card play functionPortable and ergonomic designMini high-quality small speakers, stylish, compact, unique design, individuality tastesBluetooth Speakers for iPhone/iPad/iPod/CellphoneVolume choiceness, does not occupy a space, the exterior is delicate, easy to match SpecificationFunction:BT,mic,Voice prompt,TFBluetooth Version: BCM 3.0+EDRAudio input:BT,TF,3.5MM line in.Power supply:USB5V/1A,Li-on BatteryLi-on battery:400mAspeaker:3W Light indicator:Red light when charging.Color:red,blue,black,sliver,champion UV finishproduct dimension:W60*D60*H65MMGB dimension:W90*D90*H90MMCarton dimension:W475*W200*H475MMGIFTBOX PACKAGING.60PCS/carton Advantage for TF Card Mini Speaker: 1. Bluetooth Wireless Speaker , unlimited music FunPlay music wirelessly via blueto
Brand Name: Idealthink Model Number: IT-EG-NGG113 Type: Active Use: Mobile Phone Channels: 8 (7.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: Color box Delivery Detail: 5 to 7 days Specifications Mini Stainless Steel Bluetooth Speaker 1.Play Time: 4 for playing music to 6 hours for phone call Item Name: Mini Stainless Steel Bluetooth Speaker Model Number: IT-EG-NGG113 1.Primary Function: Bluetooth Mini Speaker2.Speaker Specifications - Loudspeaker Output 2.0W - Frequency Response: 160hz to 20Khz - Signal-to-Noise Ratio: > 90dB - Distortion: < 0.1% 3.Play Time: 4 for playing music to 6 hours for phone call4.Power Source: Built in Battery charged with Adaptor5.Buttons/switches on remote control: - Power Button - Lower Speaker Volume - Increase Speaker Volume Remarks1.MOQ for WholesaleFor most items, the minimum order quantity is 100pcs/model. And for some hot items available from
Specifications 1.Bluetooth vertionaaBt 3.0+HS standard 2. LED luminous respiration lamp 3.equipped with noise-canceling microphone 2013 IDEA Best Creative Award Mushroom Bluetooth speaker 1.Function of lamp: LED luminous respiration lamp,lighting in the night, create the perfect atmosphere ,indicative function. serve multiple purposes.2.Function of creative decoration: exquisite mushroom design, cute and fashion3.Function of Bluetooth hands-free:Support for Bluetooth hands-free function, equipped with noise-canceling microphone, providing a clear world for you.4.Function of Bluetooth speaker: The latest 3rd generation Bluetooth technology, benefits faster speed of transmission for Audio Lossless Compression of data transmission., bass thick and heavy, high-pitched voice is limpid. product details:1. Material the use of bionic rubber paint process, soft, mellow fashion exquisite2. Equipped with a full band NdFeB active speaker and a Passive Radiators,via the uniq
Specifications Dacom-Q5 - Bluetooth Speaker - NFC Function - Smart performance New arrival! 2013 High qualoity bluetooth speaker ! NFC Function! Item No.Q5(NFC)size75×75×63mmweight100 gBluetooth Standardbluetooth V4.0Frequency Range2.400-2.481GHzOperationClass 2Bluetooth Modeheadset/handfree/A2DPOperating rangeup to 30 feet (10 metres)MP3 Playing Timeup to 10 hoursStandby Timeup to 400 hoursCharging Time2-3 hoursCharge VoltageAC:input 110-240V, DC:output 5.3VCertificateCE,ROHS,FCC and BQB can be appliedIncluded Accessories1.Micro USB charging cable2.User manualMOQ1000 sets
Specifications Portable hand-free Blue Tooth Speaker - Built-in advanced noise-cancelling Mic - Bluetooth: V3.0 includes A2DP,HFP,HSP Portable hand-free Blue Tooth Speaker <Specification> Model No.: EAV-203Dimensions: 165*50*57mmPower Source: USB Charging Built-in 1200mAh rechargeable Lithium batteryPower Output: 3W (2 speakers)Audio input: Aux cable (for any device with 3.5mm jack)Driver units: 1.5" x 1 + passive subwoofer (40 x 70mm)Continuous Working time when full charged: 5 hoursCharging time: Approx 2~3 hours Features: - Built-in advanced noise-cancelling Mic for phone calls - come with 100cm USB cable- come with 100cm AUX cable - Bluetooth: V3.0 includes A2DP,HFP,HSP- A2DP for wireless music streaming - Hands free audio(HFP) and headset profiles(HSP) for hands-free calling capability- Range up to 33 feet wireless distance - with BQB Certificate * TELEC application available at an additional charge of approx US$4,200 (per
Brand Name: Tayogo Model Number: BS-16 Type: Active Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage,outdoor Channels: 3 (2.1) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Color: white,black product size: 9*9*11CM bluetooth version: 3.0 USB: MINI 2.0 input: 20V output: 5V AUX: 3.5mm battery: Li power: 5W Packaging & Delivery Packaging Detail: blister package and color box package. Delivery Detail: 15days Specifications 2013 new tayogo magic bluethoth speaker for phone and tablet 1.good quality 2.power 5W 3.bluetooth 3.0 4.CE.ROHS etc certifi 2013 New cheapest tayogo magic bluetooth speaker for phone and tablet magic cube BS-16 Features:Size:90*90*90mm•Bluetooth Version:V2.1 + EDRPlaying time: up to 5 hours•Standby time:40 Hours•Audio Output:5W•DC in:DV 5V•With builtin Microphone, support phone call•3.5MM AUX in for mp3 or other device.Builtin Li-ion battery for porta