*Twins,true wireless stereo. *Chipset:CSR from UK. *Bluetooth Version:4.2. *Frequency:2.4GHz. *Wireless range:one for above 20m,and a set for above 10m. *Receive sensitivity:-90dBm. *Battery capacity:65mAh for left and right one. *For NOKIA charging port. *Work time:one for 5-6 hours, and a set for 2-3 hours. *Stand-by time:one for 120 hours,and a set for 60 hours. *Charging time:1 hours. *Support one match two,connect two device. *Supports A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/DI1.3. *Adopt the advanced CVC6.0 active noise-cancellation. *Built-in superior HD microphone,provide clear and loud sound.
How to use X1T *Clear the connected list by long-press the function key for 8 seconds. *Enter bluetooth-connect mode by long-press the function key for 5 seconds. *Connect mobile to anyone of bluetooth earphones named by "X1T". *Start or pause the music by press the function key. *Go to next song by double-press the function key. *Answer or hang up the call by press the function key. *Refuse the call by double-press the function key. *Power off or power on by long-press the function key. *You may controll X1T by left or right earphone,every side is ok.