TWS M10 Bluetooth Headset Bluetooth, more stable and faster connection. 2. Fast seconds, Bluetooth 5.0, automatic seconds, with headphones can be used 3. Light, comfortable to wear, free to adjust. Comfort fit & wide compatibility. Different sized ear tips and in-canel cable-free design provide comfortable fit. Support Bluetooth-enabled devices with version 4.0 and above Features: Bluetooth 5.0, more stable and faster connection. Fast seconds, Bluetooth 5.0, automatic seconds, with headphones can be used Light, comfortable to wear, free to adjust, not easy to fall off More & longer enjoyment Comfort fit & wide compatibility. Different sized ear tips and in-canel cable-free design provide comfortable fit. Support Bluetooth-enabled devices with version 4.0 and above. Exercise ready: Sweat-resistant with a secure fit that’s made to move with you. Specification: Product number: TWS-M10 Wireless Type: bluetooth Wireless headset version: V5.0 Style: In-Ear Communication distance: 10 meters(no obstacles) Type of : Lithium polymer Supporting agreement: HEP/HSP/A2D Function: for mobile phone, Hifi headphone,for Charging case recharge earphones: 5-6 times (both earbuds) Process material: ABS silicone ear cap."