Description:
bluetooth speaker can be charged by Micro USB cable or 5V AC adapter, no matter what way you use, it does not support charging in playing music, and it only plays when it is not charging. If you want fast charging, please use the 5V power adapter.

Main Features:
Mini portable wirless bluetooth speaker with square box design
USB cable for Andriod can be the charging source for the stereo speaker
Built-in 1200mAh Li-battery, support for 10 hours playing
Durable structure with ABS surface and aluminum alloy side box
Support bluetooth 4.0 protocol, good compatibility

Note: can not play music from U disk directly

Specification

Primary Features	Design: Mini Compatible with: Laptop,Mobile phone Supports: Bluetooth,Loudspeaker Connection: Wireless Interface: USB2.0 Audio Source: Electronic Products with USB port Material: ABS,Metal Color: White
Technical Parameters	Bluetooth Version: V4.0+EDR Protocol: A2DP,AVRCP Transmission Distance: W/O obstacles 10m Power Output: 2.5W x 2 S/N: 80dB
Other Parameters	Power Source: USB Working Voltage: 5V 0.5A
Dimension and Weight	Product weight: 0.2270 kg Package weight: 0.3890 kg Product size (L x W x H): 12.40 x 6.00 x 2.70 cm / 4.88 x 2.36 x 1.06 inches Package size (L x W x H): 17.00 x 10.00 x 4.50 cm / 6.69 x 3.94 x 1.77 inches
Package Contents	Package Contents: 1 x Speaker