Bluetooth version:4.0

Effective range: 5m

Power rating:2 W

Noise ratio:53 dB

Rated impedance:4Ω

Distortion:THD < 5%

Battery type: Non-removable rechargeable lithium-ion battery

Battery life: 4 hours (60dBA / 1m pink noise)

Handsfree support: Yes

Weight: 58g

Package contents: Mi Bluetooth Speaker Mini x 1, User guide x 1. Does not include USB charging cable.