Smart Noise Reduction Ear-mounted Wireless Bluetooth Headset $ 28.21 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 Size: Packing list: Bluetooth Headset*1 Set Product Image:
