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 su