COLORS:red、blackBluetooth V4.0 ?Power Bank+FM function+Hand-free SpeakerStylish and exquisite appearance、 which is convenient to carry、With it you can enjoy music anytime and anywhereHiFi and dearloud sound outputUsed as 1800MAH power bank can charge your phoneor other device in emergencySupport MicroSD card、 and Up to 32GBFM function (fm function will better when it is plug in audio cable)Support hand-free when answer calling (with MIC)Play music in usb disk directlyContact any drives that aux available by aux in cable ABOUT ME:01. I am a new product. I am a bluetooth wireless speaker.02. I can be as a mobile power bank. my capacity can charge your mobile phone. 03. I support MicroSD card、 and Up to 32GB.04. I has FM function. (fm function will better when i am plug in audio cable)05. I support hand-free when answer calling (with MIC).06. I can play music in usb disk directly.07. I can contact any drives that aux available by aux in cable.SHIPPING:ship your order within 24 hours once your payment is confirmed.DELIVERY:for the united states、 it will take around 7-16 days to arrive after shipping、 it depend your shipping address and customs clearance、 it will take more days to arrive europe countries.ABOUT STORE: we are a professional electronic bluetooth speakers、 bluetooth headset company. we have professional R&D team、 we have own factory、 own warehourse、 own sales team and customer service. buy from us that choose the professional team to service for you.FEATURE: 01. product name: portable speakers02. battery capacity: 1800mAH03. bluetooth version: 4.004. transission range: 10m05. colors: orange、 blue、 green06. music play: 8 hours (middle volume)07. frequency range: 100hz-16khz08. size: 205*63*43mm09. work voltage: 3.7v10. snr: ?85db11. standby time: ?90 hours12. weight: 360g13. speakers: dual-speaker stereoPACKAGE INCLUDE:1 x bluetooth speaker1 x usb charge cable1 x aux in cable1 x user's manualCall funtion: support color: black / red / blue / greenBluetooth Version: 3.0 and lower support capacity Material: Engineering PlasticsSpeaker power: 3W Battery capacity: 1800 mAVoltage: 5V current support TF card: YesSNR: －95dBTuner: YesFrequency Range: 280HZ-16KHz Operation: ButtonPower: USB effective housing material: environmental protection siliconeDistance: 10m Power supply: built-in lithium battery