Bluetooth Earbuds Invisible Small Mini Bluetooth Earbud for Music, Home, Work (Black)

[Stable Connectivity] The Bluetooth V 5.1 chip and true wireless technology provide a steadier connection for the headset. Signal transmission is more stable, allowing you to enjoy music without cord-related troubles and adding convenience to daily life. [Extra-Long Working Hours] These invisible earbuds can operate continuously for 4 hours for music or calls. The charging case has a built-in 350mAh battery that provides an additional 4-5 times of power when fully charged, allowing the earbuds to provide more than 20 hours of use. Standby time is up to 150 hours. [Invisible, Comfortable, and Easy to Operate] These mini earbuds are carefully designed according to ear geometry for secure and comfortable wear.

The built-in microphone allows you to answer or reject phone calls and play or pause music with a single press. [Quick Connection] These sport headsets are compatible with all Bluetooth-enabled devices and all bluetooth-enabled devices. They connect easily and quickly, allowing you to enter your music world within 3 seconds