Masyrtxdwcn0om8b-11 Wireless Headphone

Technical data: Item Type: Waterproof Underwater Headphones Material: ABS Weight: approx. 93 g / 3.3 oz. Battery (with built-in battery supply): lithium-ion battery 250 mAh. Applicable: pool, surfing, diving, synchronous paddling. Waterproof performance: IP68. Memory: 16GB Frequency range: 20Hz-20KHz Protocol: 5.0. Use: headset Whether single binaural: bilateral stereo Connection distance: without barrier approx. 10-15m/32.8-49.2ft Working band: ISM band (2.402-2.480GHz) Compatible sound: MP3 WAV FLAC APE How to use: Switch between Chinese and English: press the on/off button three times in a row to switch between Chinese and English when on. Sequential Playback: MP3 Status Quickly press the play pause button twice. The beep appears in sequential playback mode. Random playback: in MP3 status, press the play pause button twice and the beep will appear, then it is the random play mode. Data transmission: headphones on, USB end connected to the computer, end of the magnetic adsorption cable connected to the headset, about 5 seconds, the computer displays the U disk pattern. Normally, you can copy and delete the music of the built-in memory card. Factory Reset Restoration: Press and hold the power button for 20 seconds to force a reset. OTG: One end of the OTG converter cable plugs into the phone's USB interface and the other end is connected to the original data cable for data transfer. Wait about 10 seconds and the mobile phone will recognize the removable drive. Transfer the sound data by copying to the host. Click the security button to eject the removable drive after the transfer is complete.