Model:bs28
 
Portable wireless Bluetooth speaker support playback calls TF card AUX
 
Specification:
 
Speaker: 45mm*2 4Ω 3W THD+N 10%.
 
Size: 174*74.7*48.5mm. 
 
Weight: 390g.
 
Wireless Specification: V5.0 JL.
 
Support A2DP, AVRCP, HFP.
 
Transmission Range: 10m.
 
Transmission Frequency: 2.4GHz.
 
Support wireless playback, call, TF card, AUX mode.
 
Charging voltage DC 5V.
 
Charging time is about 3 hours.
 
Calls / music time: 5 hours.
 
Class A 18650 battery.
 
Battery Capacity: 2000mAh.
 
 Frequency: 120HZ-20000Hz