This 3 in 1 multi-function headphone can be used as bluetooth headset, TF card music player and wired headset, 3 functions in one product, it not only saves your money but also reduces the weight of carrying many devices. (TF mode only supports MP3 format.)
Bluetooth V5.0 gives you the new audio quality.
Up to 5 hours of playback time, up to 4 hours of talk time, and up to 150 hours of standby time, the battery life is very long.
With enhanced compatibility, it supports almost all audio devices
