Features: 1. Utilizes the latest CSR 4.0+EDR Bluetooth technology for strong signal transmission, ultra-low power consumption, and broad compatibility with Bluetooth devices. 2. Supports automatic answer function with option to switch to manual answering; includes a built-in high-quality anti-interference microphone for effective hands-free calling and call termination. 3. High sound fidelity with controls for next/previous track, volume adjustment, play/pause, and automatic redial; simple and intuitive operation. Specifications: Connection Type: BT Bluetooth Version: V4.2+CSR (updated version, may differ slightly from manual) 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 Play Time: 15 hours Charging Time: 1 hour Battery: 3.7V/500mAh lithium battery Microphone Range: 1 meter Frequency Range: 2402 MHz - 2480 MHz Product Features: Helmet headset with Bluetooth connectivity Designed for motorcycle helmet use Compatible with motorcycle communication systems Hands-free calling and audio playback control Integrated microphone and speaker system Rechargeable battery with long standby time Easy pairing with Bluetooth-enabled devices Universal fit for most helmets Lightweight and compact design Water-resistant construction Package Includes: 1 x Motorcycle Helmet Headset 1 x Charging Cable 1 x User Manual 1 x Microphone Cover 2 x Static Stickers