1.Product size:2.5*2*1.4cm
2.Charging house size:6.4*4.8*2.5cm
3.Charging time:1 hour
4.Standby time:about 120 hours
5.Talking time:about 3-4 hours
6.Music time:about 3 hours
7.Battery capacity:55mah for headphone,2000mah for charging case
8.BT Version:5.0
9.Transmission distance:10-15m