Touch Control & LED Display: The charging case features a convenient LED display that shows the remaining power of both the headphones and the case. You can easily check the battery level and know when it's time to charge the case or the earbuds. Comfortable to wear, fidelity stereo sound quality: T12 feature a curved in-ear design with silicone ear hooks to hold wireless Bluetooth headphones in place even during activity. T12 delivers truly natural, authentic sound and powerful bass performance with large 10mm speaker drivers-2.77 times the drive area of normal drivers. IPX8 waterproof: The charging case and earbuds are waterproof for 30 minutes at a depth of 1m thanks to a nano coating inside. Sports can use it to shield themselves from water. Ideal for usage at the gym after working out. You may clean the base and earbuds as well. Charge on the go: Playtime lasts for over 6 hours from single charge and total 28H with charging case.