ITEM NAME:BT14 Bluetooth Motor Helmet Headset Motorcycle Helmet Handsfree Earphones Product Description Description: BT14 Bluetooth Motor Helmet Headset Waterproof Wireless Handsfree Earphones for Motorcycle Helmet Intercom Feature: This Bluetooth helmet headset is carefully designed by the designer based on the internal structure of the motorcycle helmet. It uses the latest Bluetooth 4.0+EDR technology of CSR, super signal transmission, and ultra-low power consumption. Support all Bluetooth devices, support automatic answering phone call function, safe and fast. It adopts a fully enclosed silicone button waterproof design, and the internal PCB has also undergone nano-waterproof treatment. With double waterproof measures, IPX6 waterproof rating. 4-button design, you can activate smart voice assistant for for iPhone and Android phone with one button. Specification: Product model: BT14 Phone call answering method: automatic/manual Driver unit: 30mm 32 ohm 0.5W Response frequency: 180Hz-2000kHz Sound to noise ratio: >80dB Bluetooth version: Bluetooth 4.1+EDR, CSR Frequency range: 2.402GHz-2.480GHz Transmission distance: 10-12 meters (depending on the device) Microphone transmission distance: ≠¤1 meter Distortion:
