User Manual

5.5 Wire Connecting
Any device with 3.5mm connector can transmit voice signal to M1-S PRO.
When device wire connected by 2.5mm to 3.5mm cable to M1-S PRO,Complete the wired sound source input.
Long press the [Volume+] and [Volume-] buttons for 3 seconds to turn on or turn off the wired audio input.
Long press the [Volume+] and [Volume-] buttons for 3 seconds
Radio
GPS
Speed detector
Music player
Walkie-talkie
(No include)
Notice: M1-S PRO can connect with two phones, but only support one phone for audio input.