The non-in-ear design means no pain when worn for a long time. The ear hook is stable and not easy to fall off. It is comfortable to wear regardless of whether the ears are released or not Directional sound transmission technology has a built-in anti-leakage filter, which allows you to listen even if your ears are plugged, without leaking sound to protect privacy Elastic and skin-friendly material, reduced hardness, bionic suppleness, self-adjusting and adaptable, can be twisted and bent at will, and the deformation can be restored to the original state All devices with Bluetooth-compatible can be connected, and various mobile phone and computer models will be automatically identified and compatible regardless of the device Touch control design requires only touch control for easy operation, eliminating the pressure on the ears caused by pressing buttons. It can also be used to switch songs and answer calls with ease Specification: Bluetooth-compatible solution: Bluetooth-compatible V5.3 Speaker: 13cm copper ring speaker (bass effect is obvious) Listening time: about 10 hours Charging time: about 1.5 hours Communication distance: 10-15 meters without barriers Charging interface: Type-C Earphone battery capacity: 90mAh Package included: 1 x Bluetooth-compatible Headset 1 x Charging Cable 1 x English and Chinese User Manual