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
Get it between -