1,Bluetooth 5.0
2,F13 driver ,super bass.
3,touch control , Operating distance: 15 meters Class II
4,Built in mic for handsfree  calls 
5,Earphone battery: 40mah with battery protection ,
6,Charging case :400mah with battery protection
7,Talk time & Music playing time: Around 3.5 hours
8.Earbud standby time: Around 30 hours
9.Charging case standby time: 1 year
10.Easily charge Type-C USB port
11.Charging time: About  1.5 hours
12.Charge case charge to earbud : 3.5 times
13.Total play time 12hours
Accessories: Manual, charging cable,
Unit size:  60.5*21.4*45.1mm