Feature:
Bluetooth version: 5.3
Soundtrack: stereo 2.0
Supported protocols: A2DP, AVCTP, AVDTP, AVRCP, HFP, SPP, SMP, ATT, GAP, GATT, RFCOMM, SDP, L2CAP
Play time: 7h (lights on) 12h (lights off)
Charging time: 2.5H
Charging voltage: DC 5V
Transmission distance: ＞10 meters (barrier free )
Colorful breathing lights
Micro-SD card/built-in FM
