Upgraded Bluetooth 5.1: With advanced Bluetooth V5.1, these wireless earbuds offer an unparalleled sound experience with faster and stable transmission. Pick up the bluetooth earbuds from the charging case, they seamlessly connect to any bluetooth-enabled devices up to 10m (about 10m) away. Zero distortion and latency so you can enjoy your music and calls worry-free. Premium Stereo Sound & HD Call:True Wireless Earbuds equipped with a HiFi speaker that truly reproduces the original song, giving you not only powerful bass sound, but also high-quality sound that has excellent balance of each band. In addition, it features CVC8.0 noise cancellation, which suppresses ambient noise during calls so you can easily hear what you want to hear. 3500 mAh Portable Charging Case: The 3500mAh high-capacity charging case allows you to charge the headphones about 15 times and can play up to 5 hours continuously on a single charge (about 1.5 hours). With the LED indicator, you can accurately understand the remaining battery level of headphones and charging case at any time -Headphone is ergonomically designed to provide a secure fit while ensuring fatigue-free ears and long-lasting comfort. Whether you're running or jumping, the wireless headphones stay securely in your ears. IPX7 waterproof design protects your headphones from sweat, splashes and sudden rain, which is ideal for jogging, yoga, cycling, etc. Intelligent touch control & Packing list: Functions with touch control sensors, Wireless earbuds allow you to play or pause music, play/stop/reject, activate previous or next song, Siri, all with a simple squeeze on the ear.