M910 Bluetooth lntercom for motorcycle helmets Feature: 2 people can talk in real time in full duplex at the same time. You can listen to the phone sound while listening to music, and you can listen to the phone sound while using Bluetooth walkie-talkie. Memory matching, easy to use. Advanced Qualcomm chip. 5.0 Bluetooth High-power, high-resolution stereo sound headphones for real music fun.Upgrade software. Make security more safe. Can be charged, higher power, equipped with mobile power supply. The maximum intercom distance can reach 1200 meters, driving smoothly and within reach Professional anti-noise microphone (can reduce physical noise), high impedance speaker, Differential direct drive low headphone noise amplifier, Professional windproof microphone (can reduce physical noise) Professional CVC wind noise elimination algorithm (can technically eliminate wind noise) Voice hardware (software optimization, internal walkie-talkie can automatically play under voice guidance) Voice function (you haven't missed any messages voice intercom groups when traveling) Voice instructions Menu (to enhance user experience) Low power consumption (long talk time) Level 6 waterproof Simple multi-directional editing, (omni-directional simple operation) Support A2DP EDR Support connecting two devices Sharing music, sharing the beauty of driving Key combination function :Phone button and volume down: battery notification/last 2 secondsVolume up and volume down: clear product matching records/lasts 2 secondsFM button and volume down: turn on/off auto answer/lasts 3 secondsPhone button and volume down: last resend code dialing/long click FM long press: music sharing Product packaging specifications: Walkie-talkie Bluetooth host * 13.5 interface headset * 1 Microphone boom * 1 Microphone button * 1 Install base * 1 Type-C charging cable * 1 Installation tool * 1