Headset 5.0 Subwoofer Stereo Folding Wireless Bluetooth Headset

Product information: Transmission range: 10m-20m Function: Power display, call function, support music, multi-point connection, wireless Bluetooth transmission, card MP3, computer headset Bluetooth protocol: 5.0 Channel: Stereo How to use: Head-mounted Color: Black, white Playing time: About 10 hours Distortion rate: < 1% Response frequency: 20Hz-20KHz Audio interface: 3.5mm interface Charging time: About 2 hours Supported formats: MP3/WAV Packing list: Bluetooth headset X1