X2T Mini True Wireless Bluetooth Twins Stereo In-Ear Headset Earphone Earbuds for iphone 8

left and right ears can be used separately (mono), can also be used in pairs (stereo)1 drag 2 function, which can be connected to two mobile phones at the same timesupport Andrews and IPhone power displaysupport switch machine voice promptssupport voice callscolors: black, white, champagne goldOEM content: product color, lens silk screen content, cardboard printing content, storage bag silk screen content and Bluetooth device name can be customized by the customer. Specifitions:Chipset: CSR from UKBluetooth Version: 4.2Frequency: 2.4GHzWireless range: one for above 20m, and a set for above 10mReceive sensitivity: -38dBmBattery capacity: 65mAh rechargeable lithium battery for left and right oneWork time: one for 5-6 hours, and a set for 2-3 hourStand-by time: one for 120 hours, and a set for 60 hoursCharging time: 1 hoursSupport one match two, connect two deviceVoice prompt for calling number Voice prompt for power and or offAdopt the advanced CVC6.0 active noise-cancellationBuilt-in superior HD microphone, provide clear and loud sound How to use: 1.Clear the connected list by long-press the function key for 8 seconds. 2.Enter bluetooth-connect mode by long-press the function key for 5 seconds. 3.Connect mobile to anyone of bluetooth earphones named by "X2T". 4.Start or pause the music by press the function key. 5.Go to next song by double-press the function key. 6.Answer or hang up the call by press the function key. 7.Refuse the call by double-press the function key. 8.Power off or power on by long-press the function key. 9.You may control X2T by left or right earphone,every side is ok.