BT11 Helmet Interphone Bluetooth Intercom Wireless Headset

Bluetooth Technology: Version 4.0+EDR with a 2.402GHz–2.480GHz frequency and a 20–30 meter range.

Battery Performance: Integrated 3.7V/180mA Li-ion battery providing 7–8 hours of playback, 120 hours of standby, and a quick 1-hour charge time.

Audio & Calls: Hi-fi earphones with a hands-free microphone (effective within 1 meter) and voice prompt reminders for easy setup.

Smart Integration: Supports real-time power display on iPhones so you know exactly when to recharge via 5V input.

Design: DIY detachable components with a sleek, fashionable build that fits seamlessly into your lifestyle.