Bluetooth specification:V5.3
2.Bluetooth Profile:A2DP,AVRCP,HFP, HSP
3.Working voltage:3.1V~4.2V
4.Charging voltage:5V-1A
5.Speaker specification:8mm*2
6.Frequency response:20Hz~20kHz
7.lmpedance:32Ω
8.Battery capacity of the headset: 50MAH
9.Battery capacity of the storage box:2000MAH
10.Transmission distance:>10M
11.Call Play time:About 4-6 h
Model:M19
2.Bluetooth specification:V5.1
3.Bluetooth Profile:A2DP,AVRCP, HFP;HSP
4.Working voltage:3.1V~4.2V
5.Charging voltage:5V-1A
6.Battery capacity of the headset: 50MAH
7.Battery capacity of the storage box:2000MAH
8.Transmission distance:>10M
Specifications:
1.100% brand and new
2.Wireless bluetooth earphone
3.LED digital power display
4.Intelligente touch control without compression (playback/pause, answer/hang up, switch songs, adjust volume,summon voice assistant)
5.Bluetooth 5.1
6.Hifi sound quality
7.Can be used as ,power bank,flashlight
8.HD voice assistant
9.Light weight
10.Intelligent noise reduction
11.Comfortable and painless to ear, light weight, no pressure, no harm to the hearing ability
12.Waterproof and sweatproof, strong endurance
Product Specification: