KZ ZST 85cm Bluetooth 4.2 Wireless Advanced Upgrade Module Earphone Cable(Black)

Boot and connect to Bluetooth: 1. Press and hold the power button to turn on the blue LED, keep press after the boot does not let go until the red and blue LED lights flashing. 2. Turn on Bluetooth and search for [KZ earphone] for pairing. 3. When the battery is low, the red LED flashes and is accompanied by a tone. the charger into the charging port, charging the red LED light is always on. Operation guide: 1. Distinguish the left and right logo of the Bluetooth module, "L" on behalf . 2. Align the wire at the plug, slowly push until it is fully matched. Because the Bluetooth module is not easy to fall off the design. 3. Once the two sides are assembled, you can start enjoying the unrestrained pleasure of Bluetooth.