ƒ?ªÆ?Superior Music QualityÆ??Adopting Bluetooth 5.0 and lossless HD rendering technology that produce incredible sound quality with crystal crisp treble. Enjoy your music everywhere even in a loud environment.[With Bluetooth Certificated, Declaration ID:D040222, Model:TWS-X9] ƒ?ªÆ?Fast PairingÆ??The Wireless Bluetooth Earbuds are equipped with one-step pairing technology. ONLY pull the Left and the Right earbuds out of charging box and they will pair with each other, then "X9 " automatically appear on your smartphone. In a matter of seconds, you are in your euphonic music world. (Note: Please remove the protective tapes on the earbuds before use) ƒ?ªÆ?Portable charging case and battery LIFEÆ??ƒ?ôThe earbuds offer 3-4 hours continuous music playtime and 60 hours standby time for a single full charge. The charging case with built-in 2200 mash battery, you can also use the charging case to charge your smartphone when the phone is out of power. ƒ?ªÆ?IPX7 waterproof earbudsÆ??ƒ?ôThe Bluetooth earbuds are resistant to sweat, water and rain. Perfect for running, jogging, hiking, yoga, exercises, gym, fitness, travelling and etc.Note: we don't suggest you take the earbuds to shower as it doesn't resist the hot water and shampoo ƒ?ªÆ?WarrantyÆ??Our products have 12 months replacement warranty, please feel free to contact us if you have any issues.