Features: 1. Utilizes Bluetooth 4.2+EDR technology for strong signal transmission and low power consumption, compatible with most Bluetooth devices. 2. Supports automatic call answering with option to switch to manual answering; includes a built-in high-quality noise-reducing microphone for clear hands-free calling and easy call management. 3. High-fidelity sound output with controls for song navigation, volume adjustment, play/pause, and redial functions; simple and intuitive operation. Specification: Connection Name: BT Bluetooth Version: V4.2+EDR Transmission Distance: Up to 10 meters (may vary due to environmental conditions and device compatibility) Bluetooth Pairing Distance: Up to 20-30 meters (depending on the connected device) Standby Time: Up to 120 hours Play Time: Up to 15 hours Charging Time: ≤1 hour Battery: 3.7V/500mAh lithium battery Microphone Range: Up to 1 meter Frequency Range: 2402 MHz - 2480 MHz Product Features: - Helmet headset with Bluetooth functionality - Designed for motorcycle helmet use - Wireless communication headset for riders - Compatible with motorcycle helmets - Hands-free calling and audio playback - Built-in microphone and speaker system - Easy-to-use control interface Package Includes: 1 x Motorcycle Helmet Headset 1 x Charging Cable 1 x User Manual 1 x Microphone Cover 2 x Static Stickers