Product information:

Model: H7
Bluetooth version: V5.0+EDR
Frequency Response: 20Hz--20KHz
Output power: 40mW
Transmission distance: . Barrier-free 10-15 meters
Signal-to-noise ratio: 85dB
Distortion: 1%
Impedance: .32Q
Battery capacity: 400mAh with protective plate
Charging time: .1-2 hours (5V/1A)
Playing time: .medium volume 1 6 hours
Weight: bare metal 230G, gross weight 345G
Function: wireless bluetooth/with FM/card/computer headset
Interface: 3.5mm audio jack, TF bayonet, Type-C charging port
Color box size: 16.8*16.8*8.8cm

Packing list:

Charging cable + audio cable + manual + box