Comfortable Earhook Design For Sports and IP7 Waterproof: This new sport wireless headphones to keep you motivated, adjustable and secure-fit silicone earhooks and ergonomic design ensure your earbud stay comfortably firm in place when doing sports and outside activity, do not worry about the earphones will fall off. This waterproof earbud are constructed with Ip7 waterproof standard. Be worry free from sweat, heavy rain or spilled liquid and enjoy high quality music anywhere at anytime. Bluetooth 5.1 and Wide Compatibility: Bluetooth headphones adopt the advanced Bluetooth 5.1 technology to ensure more stable connection, lower latency and lower power consumption during data transmission. This bluetooth earbud are compatible with smart phones that use iOS 9.0/Android 5.0 or above, and Bluetooth 4.0 or above all bluetooth devices. Therefore, no tangled wires are bothered, and you will enjoy the convenience brought by these headsets. Hi-Fi Stereo Sound Quality: Face of one pair of Hi-Fi bluetooth earphones, heard the backdrop of real, rich bass, tenor out so melodious, exquisitely carved treble then so ethereal and elegant. Noise cancelling earbud have latest cvc 8.0 noise cancellation technology, provide a balanced and natural sound with superb dynamic range and accuracy, enjoy conversations and music with no audio dropouts and interruptions. So you can focus more on the music you love and concentrate on work. One Step Pairing and Touch Control: Pick up 2 sport earbud and they will connect each other automatically, then only one step easily enter moblie phone bluetooth setting to pair the ear bud. When you use true wireless earbud just take out the second one to achieve seamless transformation between single mode and dual mode. Multi-function touch panel on each earphone helps to play, pause, adjust volume, answer, end calls, activate siri and google assistant more convenient. Dual LED Ditgtal Display and 48 Hrs Playtime: In ear wireless earphones charging case with led power display shows remaining power in percentage. Charging case presents its battery from 1%-100% to let you know the current power status of your running headphones and charging case anytime anywhere. Up to 5-6 hours playtime of normal usage on a single charge and boost that to 48 hours playtime with the 800mah compact charging case. With type-C quick charge, it only takes 1hr to charge the case.