Bluetooth version: Bluetooth 5.0
Transmission distance: outdoor straight line distance 10-15 meters
Battery capacity: polymer lithium battery
Function: fast charging, HD call
Listening to music time: 2.5 hours Up and down music / pause playback
Call time: 2 hours
Standby time: 130 hours
Charging time: 1-2 hours
Product specifications: full set weight: 131g
Packing specification: 10*10*3.3cm
Standard: pair of headphones + headset charging box + Lighting interface charging cable + manual + box + silicone protective cover + hook