Factory Wholesale Lightweght Portable Bluetooth speakerModel No SPK-B613Bluetooth VersionV4.2+EDROutput Power5W Music FormatMP3Playing modeBlueooth,Micro SD Card,TF Card,USBPlaying timeup to 4 hours(via Bluetooth)Battery Charging voltage:5V(500mA)Battery charging time:3hoursBattery capacity:350mAh Rechargeable BatteryInterface:Bluetooth, 3.5MM audio line-in jack, Micro USB charging portFrequency Response: 100HZ-- 20KHZSignal-to-Noise Ratio:≥60dbOperating Frequency Range:2.4GHz-2.48GHzBluetooth transmission distance:10 metersWorking voltage:3.3 -- 5VColorBlack, Blue,can be customizedapplication:Home Theatre, Portable Audio Player, Mobile Phone, Karaoke Player, Computer, Stage, OutdoorsLead time 10-15 working days with our standard color box and standard export cartoon after receive the payment OEM/ODMAccept OEM/ODM, Lead Time:25-35daysPayment TermsL/C, D/A, D/P, T/T, Western Union, MoneyGram, Paypal