2.Hands-free phone calls.
3.Compatible with TF card playback, USB, FM, AUX
Frequency range:100Hz-50KHz
Distance:10m
Battery type | 18650 battery 1200mah |
Power output | 5W |
Speaker Impedance | 4 ohm |
Operating Voltage | 3.7V |
Signal to noise ratio | >80db |
Weight | 550g |