Features:

Charging voltage: 5V

The output power: 3W

Impedance: 4 ohms

Battery capacity: 400Mah

Battery type polymer

The frequency range:2.40G-2.480GHZ

The transmission distance is less than 10M

Product size: 180*50*50 mm

The weight of the product: 74.5g

Charging time :1H

Operating time: it lasts more than 2h ( under maximum volume situation, about 2 hours)

The distortion: <5%

Audio SNR: >75dB