TWS Bluetooth 5.1 Earphones 3500mAh Charging Box Wireless Headphone 9D Stereo Sports Waterproof Earbuds Headsets with Microphone

Bluetooth version: 5.1 protocol. Noise reduction version: CVC8.0. Working distance: 10m. Headphone battery capacity: 50mAh. Charging compartment battery capacity: 3500mAh. Headphone charging time: 2 hours. Music playback time: 4-6 hours Talk time: 4-6 hours. SG TWS Bluetooth 5.1 Earphones 3500mAh Charging Box Wireless Stereo Headphones Sports Waterproof Earbuds Headsets With Microphone. M10 Tws Wireless Headphones Bluetooth Earphones Waterproof LED Dispay Headset Hifi Stereo Arbuds For Iphone Android Phone. About this item. Easy Operation Bluetooth earbuds Advanced Bluetooth 5.1technology guarantees faster and more stable connection and transmission. is equipped with one-step matching and automatic power-on and power-off technology Once you take the earbuds out of the charging case it will turn on and pair with each other automatically when put in the charging case it will automatically turn off and charing until fully charged. Notes: If the headset you received has only one earbud to