Support two person intercom calls, music sharing, etc. Intercom pairing, set the device to intercom mode and place it to automatically pair. The product's Bluetooth and intercom have distance limitations, and if they exceed the range, the connection will be disconnected.
eBay
ROCKBROS Child Cycling Helmets Detachable Full Face Helmet Lightweight Adjustable Bicycle Scooter Helmet Safety Breathable
Aliexpress UK
【Built-in】 Built-in 500mAh lithium battery. Built-in high-quality headphone speaker, strong bass, clear mid-range, high-pitched sound. Built-in mini USB charging interface for quick and easy charging.
eBay
Ultralight aero Road Bicycle Helmet Bike Helmet Racing Outdoor Sports Mountain Cycling Helmets Women And Men Riding Hats
Aliexpress UK
40MM graphene diaphragm, unique horn structure, HIFI level sound quality. Sound quality: HIFI grade sound quality. 1x Earphone. 1x Earphone Base. Microphone: Hard microphone. Wake up the AI voice assistant by pressing the voice button.
eBay
BATFOX Ebike Helmet Cycling Sports Men’s MTB Bike Helmet casco for Adults Youth Ultralight Mountain Road Bicycle Helmet
Aliexpress UK
Waterproof Design: The durable waterproof construction ensures that the headset performs well in all weather conditions, making it perfect for outdoor adventures. Special Features: Bluetooth 5.0, Waterproof, FM Radio, Noise Reduction, Universal Pairing Function.
eBay
SUPERIDE Men Women MTB Bicycle Helmet with Rechargeable Rearlight In-mold Road Mountain Bike Helmet Ultralight Cycling Helmet
Aliexpress UK
Intercom function: Yes. Bluetooth version: 5.3(Binuclear). Waterproof grade: IPX6. Support for automatic answering of incoming calls: Yes. TF card playback: Yes (supports 32G expansion). Velcro installation kit 1.
eBay
LOCLE Ski Helmet Men and Women Skiing Helmet Kids Boys Girls Ski Skateboard Snowboard Motorcycle Snowmobile Helmet Size S/M/L/XL
Aliexpress UK
1x Wireless Headphones. -You can easily set the alert tone of the headset. Microphone transmission distance: ≤1m. -Use the latest BT wireless technology to connect to your phone. -The battery level of the product is displayed on the phone.
eBay
Send 3 pieces gift motorcycle helmet children off-road helmet bike downhill AM DH cross helmet capacete motocross casco
Aliexpress UK
Model DK02. Waterproof level: IPX7. This is a headset bluetooth call headset. No intercom! connection mode bluetooth. Powerful 5.2 chip: Bluetooth 5.2 chip, stable performance and quality, low energy consumption, and long battery life.
eBay
Best HJC Aero Bicycle Helmet Ibex Road Racing Bike Helmet Sports Men Women Mountain Cycling Helmet Capacete Ciclismo Mtb
Aliexpress UK
Intercom distance: 500m. 6 types of EQ high-fidelity sound effects enhance your riding experience. Personalized listening experience. Bluetooth version: Dual-core 5.3 Bluetooth. FM radio: support. LCD screen: support.
eBay
Helmet visor for MT THUNDER 4 SV STINGER 2 for MT-V-28B Replacement helmet shield Glasses Goggles Screen Helmet Part Accessories
Aliexpress UK