MotooTrue Wireless Earbuds - Latest Bluetooth 5.0 Mini in Ear Headphones 3D Stereo Sound, 18H Play Time, SweatProof Sports Earphones Headset, Built in Microphone & Dual Speakers for Phone Calls

Bluetooth earbuds single using 1. Single open Pairing mode: Long Press MFB button around 1.5 second,Red and blue light alternate flashing and accompanied "turn on", prompt tone 2.Pairing : Long press MFB button 1.5 seconds,then red and blue flashing into a headsets flashing blue lights. 3.Music play/pause: Press MFB button Play or pause music playing . 4.when playing music,press MFB button twice into next track. 5.Answer Call: Press MFB button when call coming. 6.Hang up Call: Press MFB button when on call.9. Recent Call number redial: When the phone is connected to a blue tooth headset, Double- click the FMB button once 7.Refuse Calling: Double-click the FMB button when call coming . 8.Cancel Calling: Short press MFB button when in the dialing state 9.Low Battery Clarm : When the headset power is less than 20%, it flashes a red light for 5 seconds and has a "low charge prompt" in 5 minutes. 10.Low electricity shutdown: When the headset is lower than normal, the ear automatically shuts down,the red light flashing and the "turn off" prompt. Charging voltage: 5V Battery capacity : 50mAh Charging time : 1.5 hours Playing time: 2 hours Standby time : 110 hours Music Playing :2 hours Emergency power source parameters 1. Dual USB Port 2. Input : 5V~1 A 3. Output: 5V~1 A 4. Charging case battery capacity : 400mAh