E11 Bluetooth in-ear earphone

Bluetooth version: Blue Flood 5616a/5.0
Wireless frequency: 2.4G
Support protocol: HFP, A2DP, HID, AVRCP, AVCTP, AVDTP
Bluetooth distance: 10-15 meters (barrier-free)
Battery capacity: 130mAh
Talking/listening time: about 8-10h standby time: 40-50h
Earphone charging time: 1-2 hours
Charging port method: Type-C
Speaker specifications: φ10/32Ω
Speaker sensitivity: 110±3dB
Microphone sensitivity: 42±3dB
Working temperature: -10-70 degrees