Sports DesignTrue wireless earbuds, bring you a wireless and hands-free experience. Secure fit, comfortable and IPX7 waterproof design make the earbuds perfect for sports. No troublesome wires, free your hands during long exercise.Long-lasting Play/Talk TimeHigh-quality lithium battery, portable charging box, both allow you to enjoy 22 hours of music on the go.Wonderful Sound QualityBluetooth 5.0 makes the transmission stable, and the built-in high-quality noise-canceling microphone makes talking and listening simple. You can immerse yourself in stereo sound while exercising.Auto-ChargingMagnetic charging box, easy to put back the earbuds. Put the two earbuds back into the charging box, the earbuds will automatically shut down and charge, you don't need to worry about forgetting to charge the earphones.