Hoco BS31 Bright Sound Sports Wireless Speaker - Black

"1. Speaker: 53mm
2. Size: 86*86*44mm, weight: 140g
3. Wireless V4.2 JLAC6928B
4. Supporting protocols A2DP, AVRCP, HFP, HSP
5. Support Wireless, TF card, AUX mode play
6. Charging voltage DC 5V, charging time: about 2 hours
7. Call/music time: about 3 hours
8. Class A polymer battery: 500mAh"