SZ250GR

Bluetooth Version: V4.1
Battery Capacity: 350mAh
Bluetooth Range: 10m
Frequency Range: 160Hz~18KHz
Amplifier Output: 2W
Amplifier Max Output: 3W
Signal to noise ratio: 72dB
Battery Charging Time: 1-2H
Playback Time: 1-2H at 80% vol