1.Bluetooth Version:5.0
2.Function and Purpose:communication/Music
3.Standby time:7-10 days
4.charging time:1 hour
5.Product size:30*15mm
6.charging voltage:6V
7.weight:43g (excluding storage box)
8.Supporting Bluetooth:Apple/Android/Window
9.battery capacity earphone :35mah
10.charging cabin:300mah