MaterialABSColorBlack / WhitePackageWith Retail PackageCharging inputDC 5V 0.5ABT Version5.0Music TimeAbout 4 HoursTalking TimeAbout 4 HoursTransmission Distance10mSpeaker Specification13MM 32Feature 1BT 5.0BT 5.0 Technology provides a stable connection with your devices, no signal loss during phone calls. After the first pairing, earbuds will automatically pair with your phone while opening the case. The transmission distance of BT is up to 33ft away.Feature 2True Wireless Stereo EarbudsSuperior music quality adopting BT 5. 0 and lossless HD rendering technology that produce incredible sound quality with crystal crisp treble. Support all BT devices.Feature 3Ergonomic DesignErgonomic mini in-ear design that keeps wireless ear buds snugly & securely stay well in your ears even when working out. The design of these earphones is just right for long time use, with no swelling or pain.Feature 4Fast Charging & LED Digital DisplayPut the wireless headphones into the case and they will start charging automatically. Real-time digital display outside the case clearly indicates battery power of both, case and earbuds.Feature 5Smart Touch ControlEquipped with smart touch control, it is more convenient than button control earbuds. Easily to Answer/Hang-up Calls, Play/Pause/Switch Music/Activate Siri.Feature 6IPX5 WaterproofBT Wireless Earbuds have IPX5 water protection, The BT earbuds are resistant to sweat, water and rain. Perfect for running, jogging, hiking, yoga, exercises, gym, fitness, travelling and etc.