Bluetooth Headphones, IEhotti Wireless Earbuds (Upgraded Version) Bluetooh 5.0 True Wireless Headphones, Touch Operation, Hi-Fi Stereo, HD Mic, Workout Headphones Outdoor Portable Earphones Features & details ♬【Bluetooth 5.0,excellent sound quality】With the high version of Bluetooth 5.0,IEhotti Bluetooth headphones support more stable and faster connection,which restore the truest sound and play the lossless music.Meanwhile it does lower power consumption to save power. ♬【Intelligent Noise Reduction, High-definition Calling】 Built-in high-sensitivity microphone, and the headphones use CVC echo noise reduction technology to effectively reduce environmental noise. Support high-definition binaural calling, and communication without obstacles. ♬【Touch operation design, simple and practical】Operate all functions by touching the wireless earbuds.Without those cumbersome buttons, it makes the operation more convenient and shows a intelligent life. ♬【IPX5 waterproof,IP4 dustproof,perfect sports headphones】Excellent waterproof / dustproof designs make our bluetooth earbuds run perfectly without fear of rain , sweat or dust during exercise ♬【24 hours play,portable large-capacity charging case】Bluetooth earphones can be used for 5-6 hours in a single time.With a 400 mAh large-capacity charging case, it can charged the wireless headphones continuously for 4 times, so that they can be used for up to 24 hours.