Wireless over-ear headphones with an integrated microphone. Enjoy comfort and music all day long with up to 24 hours of playback time. Forgot to charge? No problem, just plug in the 3.5mm stereo cable and you're good to go. With foam cushions and adjustable hinges, you can customize the headphones for your comfort whether you're traveling, working out at the gym, or commuting to work. Simply fold them up until you're ready to use them again. Bluetooth formats: HSP, HFP, A2DP, AVRCP, Bluetooth version 5.0, range: 10 meters, music time: 24 hours, talk time: 24 hours, standby time: 240 hours, charging time: approximately 2 hours, battery: 3.7V with 300mAh, microphone sensitivity: 42 +/- 3 dB, 3.5mm aux input.