Helmet Headset Communication System Waterproof Bluetooth-Compatible 5.0 Music Headset Intercom Speaker 30m Auto Answer Features: 1. Handsfree: Fashion design bluetooth compatible 5.0 music headset intercom allows music to surround your life at any time. And the loud oacute;binding function, really liberating your hand. 2. Long Playing Time: Built-in lithium-ion battery, helmet headset communication system is long standby and working time, supporting iPhone power display, convenient to know when to charge. 3. Suitable for Siri Android: New waterproof design, motorcycle helmet headset support for Siri intelligent voice control functions for IOS 4.0 and above and for Android intelligent voice control functions, convenient and fast. 4. High Performance: Using the latest Bluetooth compatible 5.0+EDR technology, excellent signal transmission, ultra-low power consumption, all Bluetooth compatible devices, automatic answering function, and manual answering function can be switched. The headphone motorcycle helmet is safe and fast, with built-in high-quality anti-jamming microphone, which can effectively answer and hang up in loud noise mode. 5. Quality Great Sound: With the effect of great sound, the Bluetooth compatible motorcycle intercom supports the functions of previous or next song, volume up or down, pause playback, automatic call back and other functions, easy to operate. Specification: Item Type: Helmet with Headset Certification: None Origin: Mainland China Maximum Intercom Distance: 500m Maximum Speaker Number: 2 Special Feature: Waterproof Model Name: Helmet with Headset Material: ABS Color: Black Bluetooth Compatible Version : 5.0 + EDR Frequency range: 2.402GHz - 2.480GHz Transmission distance: 20-30 meter oacute;w (depending on equipment) Microphone transmission distance: ≤ 1m Lithium battery: 3.7V/820mA Continuous working time: ≤ 70 hours Charging voltage : 5V Charging time: 5-7 hours Standby time: ≤ 280 hours Package size: 157*115*60mm/6.2*4.5*2.4in Note: Due to the different monitor and light effect, the actual color of the item may be slightly different from the color shown in the photos. Thank you! Please allow 1-2cm measurement deviation due to manual measurement. 1 x Bluetooth Compatible Headset 2 x Host Magic Tape 4 xr oacute;g Magic Tape 1 x Charging Cable 1 x Instructions