Features: 1. Utilizes Bluetooth 4.2+EDR technology for strong signal transmission and low power consumption, compatible with most Bluetooth devices. 2. Supports automatic answer function with option to switch to manual answering; includes a built-in high-quality microphone for clear hands-free calling, answering, and hanging up. 3. High sound fidelity with controls for play/pause, volume adjustment, track navigation, and redial function; user-friendly operation. Specifications: Connection Type: Bluetooth Bluetooth Version: V4.2+EDR Transmission Distance: Up to 10 meters (may vary based on environment and device) Bluetooth Pairing Distance: Up to 20-30 meters (varies by device) Standby Time: Up to 120 hours Play Time: Up to 15 hours Charging Time: 1 hour Battery: 3.7V/500mAh Microphone Range: Up to 1 meter Frequency Range: 2402 MHz - 2480 MHz Product Features: - Helmet Bluetooth Headset - Motorcycle Helmet Headset - Bluetooth Headset for Helmets - Motorcycle Bluetooth Headset Package Includes: 1 x Motorcycle Helmet Headset 1 x Cable 1 x User Manual 1 x Mic Cover 2 x Static Stickers