Bluetooth 5.3 Chip and Auto Pairing: True wireless earbud adopt Bluetooth 5.3 chip, support HSP, HFP, A2DP and AVRCP Bluetooth communication protocols. Ultra Low-Latency is more than 3 times faster than a conventional wireless earphones, offers stable and enough distance 32 ft connection for you. Pick up 2 wireless earphones from the case, they will be paired with each other automatically. Then click on "J55" from the device list to connect the cordless headphones with your device. | Immersive Stereo Soundstage and Clear Call: Adapting powerful 16Ω Input impedance and Ф6mm moving coil speakers, bluetooth earbuds with microphone provide a powerful and wide sound range, which makes the treble full of dynamics, and the bass powerful. The microphone of wireless headphones is made of monocrystalline silicon, which makes the microphone highly sensitive to sound from different angles, perfect for capturing vocals, enabling clear phone or video calls. | 40Hrs Playtime and Dual LED Digital Display: 8 Hours of smallest earbud listening time per charge is enough for most long runs. A combination of USB-C quick-charge and the 4 full charges provided by the charging case gives you an excellent experience of long endurance. (8H in the earbud and 32H in the charging case). The running earbud pocket-size storage charging case, features with dual LED digital power display. When charging for the case, the LED light will start to flash from 1 to 100. | Lightweight Ergonomic Design and IP7 Waterproof: Weighing just 3g, workout headphones ear buds feel virtually weightless as they fit comfortably and securely in your ears. They are ergonomically designed to ensure a secure fit while guaranteeing fatigue-free ears and long-lasting comfort. The waterproof earbud is nano-coated and reaches IP7 waterproof. Waterproof headphones will make an ideal companion while taking the dog for a walk, outwork, gym, cycling, or taking a jog. | Easy To Use and Wide Compatibility: In ear headphones features with capacitive touch interface and a full control suite, the intuitive operation make earbud for android reasonably simple to use. Just simple tap to play/pause, volume control, track forward/reverse, call answer/end and digital-assistant activation. Android headphones wireless is paired easily with both iOS, Android devices, and most devices with Bluetooth(such as Windows laptop/tablet/desktop PC via Bluetooth).