Features: 1. Utilizes the latest CSR 4.0+EDR Bluetooth technology for strong signal transmission, ultra-low power consumption, and compatibility with most Bluetooth devices. 2. Supports automatic answer function with option to switch to manual answering. Built-in high-quality noise-reducing microphone enables effective hands-free calling and call ending. 3. High sound fidelity with controls for next/previous track, volume adjustment, play/pause, and redial functions. Simple and intuitive operation. Specifications: Connection Type: BT Bluetooth Version: V4.2+CSR Transmission Distance: 10 meters (may vary due to environmental conditions and device compatibility) Bluetooth Pairing Distance: 20-30 meters (varies by device) Standby Time: 120 hours Playback Time: 15 hours Charging Time: ≤1 hour Battery: 3.7V/500mAh Lithium-ion Microphone Range: ≤1 meter Frequency Range: 2402 MHz - 2480 MHz Key Features: - Helmet headset with Bluetooth functionality - Designed for motorcycle helmet use - Wireless headset compatible with motorcycle helmets - Bluetooth-enabled helmet communication system - Hands-free calling and audio playback for riders Package Includes: 1 x Motorcycle Helmet Headset 1 x Charging Cable 1 x User Manual 1 x Microphone Cover 2 x Static Stickers