1.Answering hands-free: JL V4.2 stereo chip ,
2.transmission distance:10m
3.Frequency: 15Hz-20KHz.
4.Output power: 0.25Wx2
5.Output device: 32Ω-0.25W 40mm black magnetic speaker
6.Built-in battery: 3.7V 200Mah polymer battery
7.play time: about 2hs,
standby time: 4hs
8.Built-in:Bluetooth function
9.Accessories:0.3m charging cable *1, an audio 1m AUX cable * 1