Bluetooth Headphones Over-Ear Lightweight Wireless Headphones Stereo Foldable For Travel Product Description: Easy operation: Comfortable of buttons, easy to operate and enjoy convenience whether listening to music or making calls. metal head beam: Metal wire drawing, using invisible steel bars to penetrate the entire head beam design, which can be adjusted in multiple stages according to the head shape, with natural expansion and contraction. The game has no delay, stable links, and continuous lines: listen to sound and position , and synchronize high-definition videos with ultra-low delay sound and picture. New upgrade of battery life, continuous playback for 12 hours: Bluetooth 5.2 low-power transmission, more energy-efficient. You don't need to connect a card to listen to music: supports card playback, plug and play without connecting your phone. Enjoy listening wirelessly: The connection distance can 10-20 meters using Bluetooth 5.0 chip, and the transmission is faster, the power consumption is lower, and the connection is more stable. Excellent audio quality for ear listening: 40mm unit with strong bass power, such as clear and realistic sound quality in person and bass, presenting a different auditory experience for you. Foldable design allows for easy storage and easy portability: The lightweight and compact body features a foldable design that makes it easy to fold when you're not paying, making it easy to carry. Radio mode, one click frequency modulation: Long press the "" or "" button to quickly adjust the radio channel. setting in campus mode, one click frequency is possible. It is a Bluetooth earphone and also a listening exam earphone, covering a frequency range of 60-108MHz. It can be used on public radio stations, campus broadcasts, and listening exams Product Description: Bluetooth version: Jerry Bluetooth V5.3 Transmission distance: 10 meters Battery: 400mAh Function: Adjust volume, songs, calls, reject calls, hang up calls, Bluetooth playback, phone , Bluetooth callback, voice prompt, battery display, FM, EQ, English broadcast Package: 1 × Bluetooth earphones, 1 × Data cable, 1 × instructions Easy operation: Comfortable of buttons, easy to operate and enjoy convenience whether listening to music or making calls. metal head beam: Metal wire drawing, using invisible steel bars to penetrate the entire head beam design, which can be adjusted in multiple stages according to the head shape, with natural expansion and contraction. The game has no delay, stable links, and continuous lines:listen to sound and position , and synchronize high-definition videos with ultra-low delay sound and picture. New upgrade of battery life, continuous playback for 12 hours: Bluetooth 5.2 low-power transmission, more energy-efficient. You don't need to connect a card to listen to music: supports card playback, plug and play without connecting your phone.