Features:-Exclusive design patents, headphone ergonomic design, comfortable to wear easy to fall.-Ear ear design, reducing the world's best bass.-Unique magnetic control, Not easy to fall.-Built-in high sensitivity microphone, clearer voice quality.-Built-in lithium battery, support for 1 hours fast charging, provide up to five hours of music / talk endurance.-Bluetooth one with two to meet the needs of multi-source.-With a play button, you can control the music player and make and receive calls and other functions.Specifications:-Bluetooth version: 5.0-Job scope: > 10 meters (disabled)-Standby time: > 180 hours-Hours of use: 4-5 hours of talk, 5-6 hours of music playback-Charging time: 1 hours-Support agreement: A2DP, AVRCP, HSP, HFP-Frequency response: 20 hz - 20 KHZPackaging Information:1*Bluetooth Earphone