Bluetooth version 5.0 + EDR, Class II
Supports Bluetooth HSP, HFP
Frequency range：2.4GHz
Distortion:≤1％
Charging time: 1-2 hours
Music playing time: 5 hours
Talking time: 4-6 hours
Standby time: 120 hours
Bluetooth mode: headset/hands-free/A2DP
Working range: 10m
Colors: black/blue/red/green
Accessories: Travel charger cable,