Rechargeable with built in 100mA Lithium Battery. You can enjoy up to 6 hours HD quality sound for a single charge.

Multi-layered air vents provide professional soundscape for optimized dynamics and flawless audio performance.

Ergonomic semi in-ear design, snug and secure, without pain and anti fall even long time wear.

Sweat and splash-proof design effectively protects your earphones against liquids while you are in the gym, designed for fitness and sport.

Magnetic connectors attach your earphones securely together, no more shaking and tangling.

Middle Button: Short Press -- Play / Pause / Answer / Hang up a call, Press and Hold-- Bluetooth Pairing / Power ON / OFF. + Button: Single Click -- Volume +, Press and Hold-- Next. + Button: Single Click -- Volume -, Press and Hold-- Previous, Double Click -- Wake up voice assistant.