Description: Waterproof: The in-ear earphone can withstand sweat water, convenient for users to use the earbuds for sports. Noise reduction: The wireless sports headphone features noise-canceling designs, which ensures quality sounds even in noisy environments. Ergonomic: The bluetooth-compatible headset is ergonomic, comfortable to wear for a long time, suitable for both women and men. Rechargeable: The wireless headphone is built with a rechargeable battery with a large capacity, ensuring long work life. Wide applications: The mobile phone headset is suitable for workouts, driving, meetings, gaming, walking, running, riding, etc. Specification: Material: ABS, PC. Color: Black Blue, Black Red, White Blue, Rose Gold. Size: Approx. 5.6x2.8x1.1cm/2.2x1.1x0.43 inch. Bluetooth-Compatible Version: 5.0. Battery Capacity: 230mAh (Built-in, Rechargeable). Battery Life: 50 Hours. Waterproof Grade: IP4. Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Earphone (with 1 Piece Charging Cable, 1 Piece Earcap, 1 Piece User Manual).