Rechargeable Bluetooth-USB-Lautsprecher

usb speaker1.Abundant supply and prompt delivery.2.Easy to handle,built-in BTL stereo amplifier, compatible with different audio device such as laptop, mobile phone,ipod ,MP3,MP4 and CD.3.It's perfect match for digital mobile devices,specially designed driver unit,with beautiful sound.4.Using computer USB port instead of power adapter for power,it's small and light,easy to carry.5.Color for option:white ,black.6.Power Output : 2 W*2 Total Harmony Distortion: <1% Driver Unit: 2 Inch*2 4Ω Frequency Response: 150Hz-20 KHz USB Voltage: 5V (500mA) USB Special Cable: 1000mm Signal Cable: 1000mm Φ3.5mm stereo cable7.Dimension:W76*H87*D73mm7.Packing details:30 pcs per export carton, the inner box size:L159*W82*H97mm,the carton size isL425*W332*H311mm.Gross weight:21.9 kg9.Payment tems:30% for deposit by T/T before production,the balance should be pay before shipment.10.Delivery details: within25 working days after receiving the deposit by T/T or the original L/C.If you have any requirement ,please feel free to contact us,we will offer you the best price and service.Looking forward to cooperating with you.Thank you in advance.