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, allowing easy answer and hang-up operations. 3. High sound fidelity with controls for song navigation, volume adjustment, play/pause, and redial functions; simple and intuitive operation. Specifications: Connection Type: Bluetooth Bluetooth Version: V4.2+EDR Transmission Distance: Up to 10 meters (may vary due to environmental conditions and device compatibility) Bluetooth Pairing Distance: 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 Lithium-ion Microphone Range: Up to 1 meter Frequency Range: 2402 MHz - 2480 MHz Product Features: - Helmet headset with Bluetooth connectivity - Motorcycle helmet-compatible Bluetooth headset - Hands-free communication for riders - Built-in microphone and speaker for safe calling - Easy-to-use playback and call controls Package Includes: 1 x Motorcycle Helmet Headset 1 x Charging Cable 1 x User Manual 1 x Microphone Cover 2 x Static Stickers