Description: Product Name: Open Bluetooth-compatible Headset Transmission range: 15 meters Product function: noise reduction Endurance: more than 8 hours (hours) Waterproof performance: IPX5 Product material: plastic Bluetooth-compatible Version: 5.2 Specifications: 1. The first non-ear, real zero-sense matching, new concept of wearing, ergonomic zero-sense design, ergonomics, multi-point support design, harmful frequency band moving technology, to avoid hearing damage 2.360 stereo sound effect, sound quality experience, rolling the same level, innovating the mainstream bone conduction technology of the previous open headphones, achieving a breakthrough in air and sound transmission technology, and ensuring sound quality and listening comfort to a greater extent 3.14.2mm generating unit, HIFI sound in pocket, 14.2mm super moving coil unit, bringing fuller bass, majestic sound field and clear human voice, making every listening under the ear like a scene, shocking panoramic sound stereo sound effect, igniting your passion 4. Intelligent communication noise reduction, fearless and noisy communication at any time, directional radio with double microphones, clear communication in noisy environment and high-quality communication experience 5.16 hours of long-lasting battery life, full-day power failure, 16 hours of single use time, 1 hour of charging time 6. Upgrade Bluetooth-compatible 5.2 chip, faster transmission, more stable connection, stronger compatibility, support for connecting mobile phones, tablets, computers Package Included: 1 * wireless headset 1 * Data line 1 * Instruction