Smart Noise Reduction Ear-mounted Wireless Bluetooth Headset

Product information:
Bluetooth version chip: 6973D4 Bluetooth 5.3
Bluetooth protocol: A2DP1.2/AVRCP1.0/HSP1.0/HFP1.5
Speaker diameter: 10mm, loud field
Decoding format: AAC SBC
Playback power consumption:-5MA
Frequency response 20K-20000K
Bluetooth transmission distance: 10m
Battery capacity: 55mAh for product A, 650 mA charging bin
Music Playback Time: 7-8 hours
Call time: 7 hours
Charging time: 1 to 2 hours
Standby time: 150 hours
Charging Interface: Type C
Voice function: English prompt
Color: Black
Waterproof grade: Level 5 waterproof
Microphone: 50Hz-80000Hz
Device Compatibility: mobile phones, ipad tablets, desktop computers that support any Bluetooth device type. Desktop computers without Bluetooth function need to be used with Bluetooth adapter
20. Automatic Master-slave switching, automatic power-on pairing, binaural audio, ultra-low power consumption, product A battery