Description: Touch button: You can operate the earphone through touching the buttons designed on the headset, avoiding mistake touching, making your life more convenient. Voice control: This kind of earphone supports hands-free calling, convenient for you to answer calls when driving or running, freeing your hands and ensuring your security. Long-lasting: This rechargeable headset is designed with a built-in battery, it can be used for a long time after fully charged, including about 12h calling time and about 10h playtime, enough to meet your daily needs. Rotating: The microphone can be rotated 270 degrees and the earhook can be rotated 180 degrees, you can wear the headset at a comfortable angle, not easy to make you feel uncomfortable. Wireless: This headset adopts bluetooth-compatible V5.0 technology, which provides you with a stable connection and clear sound, you can enjoy music easily. Specification: Color: black, black green, black blue, black red, black orange. Size: show as pictures. Bluetooth-compatible version: V5.0. Support protocol: a2dp 1.3/hfp1.6/hsp1.2/avrcp1.6/d11.3.2021. Bluetooth-compatible frequency range: 24GHz. Bluetooth-compatible transferring distance: about 10m. Battery capacity: 110mAh Li battery. Standby time: about 170h. Call/play time: about 10/12h. Charging time: about 1h. How to pair: 1.Connection: Turn the power switch to the left, the red and blue lights flashing alternately, and then turn on the bluetooth-compatible function, you can search for "ME-100", click to connect. It can also connect to other bluetooth-compatible devices. You can listen to music or make a phone call. 2.Voice switch: In the search state, double-click the function key quickly to switch between Chinese and English. How to use: 1.Open: When the headset is turned on and successfully connected to the phone or bluetooth-compatible device with the calling function, you can make and receive calls. When an incoming call comes in, the headset reminds you the incoming call and number. Tap the function key once to answer the call. If you do not want to answer the call, double-click the function key to decline. 2.Music change and volume control: Press and hold the volume key for about 2 seconds, release to switch to the next song, press and hold the volume key for about 2 seconds, release to switch to the previous song, hold to reduce the volume. 3.Voice assistant: After connected to the phone, hold the function key for 1 second and release it to enable the language assistant function, replacement for Android and replacement for iOS. 4.Dual ear for TWS function: When you connect 2 earphones at the same time, the pairing name "ME-100" will be automatically sent. Click to connect. Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow a slight deviation for the measurement data and make sure you do not mind before ordering. Package Includes: 1 Piece Earphone(with 1 Piece Charging Cable).