Key features:

- Portable(8.5*8.5*4.5 cm) bluetooth speaker with a silicone strap
- impressive crystal and dynamic sound. Excellent mid range and treble,better than other mobile speakers this size
- USB power bank to conveniently recharge your smartphone, tablet, and more.

- Support connecting via USB Input and AUX-in jack port to all Non-Bluetooth Devices
- Water proof IPX6 protection and drop-resistant design make it an ideal mate for outdoor sports
- 2200MA high quality rechargeable battery supporting play-time up to 15 hours at averagy voice volume
- Power indication light
- Easy ONE-button operation and the button could be used as a camera shutter for your phone
- Build-in a HQ MIC for hands-free call and Jack port(3.5mm) for Aux-in cable connection
- Low battery warning
- Bluetooth 2.1/4.1 connection

Product Specification:

Bluetooth chip:BK 2.1+EDR  / BT4.1
Driver Size:  2.25"*1
Power: 5W*1
Distortion : <10%
Frequency. Response:40—20,000Hz
Play Time: 15h(average volume)
Charging time:2.5h
Input:DC 5V/800mA
Output:DC 5V/500mA
Battery capacity:2200MA
Transmission distance :10m
Product size:85x85x45m
Product weight:224g
color:black/grey/green