Full duplex interphone. Wireless communication between three riders by Bluetooth system.
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Xiaomi Redmi Buds 6 Pro TWS Earphones 55dB Active Noise Cancellation Bluetooth 5.3 36 Hours Battery 3MIC AI Earbuds Headset
Aliexpress UK
Bluetooth 5.0 Version &2000M Maximum Distance. Bluetooth 5.4 Version &2000M Maximum Distance. 2.5mm to 3.5mm Aux in wire connecting to other device without bluetooth, as long as the device is connected by 3.5mm aux out.
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Choice Monster MQT46 OWS Wireless Bluetooth 5.4 Earphones 25H Long Battery Life Game Earbuds Waterproof Noise Cancelling Headset
Aliexpress UK
The earphone head can rotate 180 degrees for both left and right ears wearing. 1x Wireless Earphone(without Charging Box). The Bluetooth 5.0 chip enables a more stable and quicker connection. Built-in HD microphone.
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New wireless head mounted Bluetooth P9 MAX earphones with leather bag, sports Bluetooth pop-up music headset
Aliexpress UK
Bluetooth 5.0 Wireless Headphones: The Bluetooth headphone features with 5.0 chip for more stable transmission speed, lower latency, and better audio output. Foldable Headphone: The main of foldable headphones is portability.
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Oneodio SuperEQ V16 Wireless Bluetooth 5.3 Headphones 40mm Driver Headsets 90Hrs Playtime Over-Ear Bluetooth Headset
Aliexpress UK
Sweat protection technology: protects this bluetooth headset from sweat and coffee so you can wear the headset in the office or in the gym. 1x bluetooth headset. Bluetooth version: 4.0. Battery capacity: 90mah.
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New Fashion Cute Bluetooth 5.0 Wireless Headset with LED Light Y08M Luminous Cat Ear Headphones HiFi Stereo Bluetooth Headset
Aliexpress UK
It is an ideal earphone for long-distance truck drivers, on-site operators, office and warehouse workers. [Advanced Noise Reduction, Clear Communication] - Advanced noise reduction technology can reduce unnecessary low-frequency background noise, allowing you to focus on music, movies, or phone calls without interference.
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New Xiaomi Redmi Buds 6 Active Edition TWS Bluetooth 5.4 Earphone 30H Battery Life 5 Tuning Modes Headphone Wireless Headset
Aliexpress UK
It is an ideal earphone for long-distance truck drivers, on-site operators, office and warehouse workers. Earphone model: K6B/K6Bs. Headphone type: Head mounted. ● [Left and Right Wearing] - The flexible microphone can rotate 270 °, and you can decide whether to wear the headphones on the left or right side.
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NEW Xiaomi Redmi Buds 6 Active TWS Bluetooth Earphone 30h Long Battery Life 5 Tuning Modes BT 5.4 Wireless Headphone Headset
Aliexpress UK
Open wireless headphones, high-fidelity surrounding sound, without limiting external world sounds. Wear the Earpiece on right ear for better call. Bluetooth 5.2 open-ear single headphone pairing with all Bluetooth enabled devices, including smart watches, computers ,tablet, for iOS; for Android, smart phones and so on.
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Neck Wireless Bluetooth Earphones Long battery Life Headset HIFI Waterproof Sports Earbuds Noise reduction Headphone With HD Mic
Aliexpress UK