TWS wireless sports headphones

Bluetooth version :V5.0
Support Bluetooth protocol :A2DP/AVRCP, HSP, HFP
Bluetooth working frequency :2.402GHz-2.480GHz
Bluetooth effective range :210 m
Headset battery :40mAH
Microphone sensitivity :42dB+3dB
Music time: about 3 hours (80% volume)
Charging case battery :300mAH
Charging time: about 2 hours
Talk time: about 2.5 hours (80% volume)
Material: ABS
Charging time: about 1.5 hours
Net weight: 32G