Handsfree 5.0 Bluetooth Headset Fingerprint Touch Wirele Earphone for iPhone Xiaomi Waterproof Earpiece With Mic HD CallSpecification:1. Bluetooth version: Dual-mode Bluetooth V5.0 ul-low power consumption2. Supporting agreement: A2DP 1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.33. Bluetooth frequency band: 24GHz4. Bluetooth nsmiion distance: 10M5. Battery capacity: 110mAh lithium battery6. Standby time: 170 hours7. Talk/Playtime: About 12/10 hour. Charging time: About 1 hourBluetooth Pairing:1. Connect: Pull the side power switch to the left to turn on, you can see the red and blue lights fing alternately, and then turn on the Bluetooth, you can search for ''ME-100'' and click to connect. Other Bluetooth devices can also be connected. You can listen to music or e a call.Voice switching:In the search state, double-click the function key quickly to switch between Chinese and English.Bluetooth use:1. CallWhen the headset is turned on and succefully connected with the mobile phone or Bluetooth device with a call function, you can e and receive calls. When the call comes, the headset will remind you of the incoming call and the number of the incoming call, touch the function key once to answer the call, if you don't want to answer the call, you can double-click the function keys.2. Up and down song switching and volume increase and decreasePre and hold the volume + on or about 2 seconds, release to switch to the next song, long pre to increase the volume Pre and hold the volume on for about 2 seconds, release to switch to the previous song, long pre to decrease the volume.Voice aistant:When the mobile phone is connected, touch the function key for 1 second and let go to activate the language aistant function. Universal for Android and A pple. binaural function:Buy two earphones of , and they will automatically pair and send out the ''ME-100'' pairing name when they are turned on at the same time, click Connect.