♫[10000 mAh Battery & 500 Hours Total Music Time]: The bluetooth headphones provides 6-8 playing time, with the chargeing case you can enjoy 500 hours total music time, also equipped with USB-C Cable, which makes the earbuds fully charged in 90 minutes, meanwhile, 5V/2.1A charging speed of 10000 mAh charging case as power bank also can charge for your phones, You can see battery status at the display, making you get rid of the trouble of going out without electricity. | ♫[Enhanced Hi-Fi Stereo Sound Quality]: graphene diaphragms in this bluetooth earbuds, which with high fidelity dynamic drivers for fine-tuned, low distortion sound with high sensitivity, at a wider frequency range, the wireless earphones provides you with the most realistic, clear sound and powerful bass performance, making you feel as if you were at an idol concert site. also combined CVC 8.0 noise reduction functionality, you’ll experience a whole new world of clear phone calls. | ♫[True Wireless & stability transmission]: wireless headsets adopts with the most advanced Bluetooth 5.0 technology, as stable as wired, which not only enhsnces the connection stability of binaural calls, but also reduces the signal transmission delay, effectively reduces the“Time Difference”between audio and video, The range is up to 10 meters. | ♫[One Button Easy Control]: GL022 True wireless stereo earphones can totally free up both your hands to do whatever you want to do, sports, work or drive. With just one button “MFB”, you can play/pause, previous/next song, answer/reject/end a call, volume up/down and wake up voice assistant siri, which make you live in a truly smart mobile world. | ♫[Comfort Fit & One Step Pairing]: Special ergonomic design and only 0.16 Oz make the bluetooth headsets sit comfortablely and stable in your ears. Meanwhile, you don’t need any skill, the earbud headsets will auto on when you take them out, and auto-pairing, then if you have activate mobile phone, bluetooth to search and click #GL022#, easy to use.