Specification: _x005f_x000D_ Microphone: _x005f_x000D_ Mic Dimensions: 6.0 * 5mm _x005f_x000D_ Directivity: Omnidirectional _x005f_x000D_ Sensitivity: -46 ± 3dB _x005f_x000D_ Impedance: ≤ 2.2K Ω _x005f_x000D_ Speaker _x005f_x000D_ Driver Diameter: 40mm _x005f_x000D_ Impedance: 32 Ω _x005f_x000D_ Frequency Response: 20Hz-20kHz _x005f_x000D_ Output sound pressure (S.P.L): 98dB ± 3dB _x005f_x000D_ Power Supply: Lithium 320mA _x005f_x000D_ Headset _x005f_x000D_ Charging type: USB version 4.2 _x005f_x000D_ Receiver Distance: ≤ 10 meters _x005f_x000D_ Charging Time: 2.5 hours _x005f_x000D_ Playing Time: 12 hours _x005f_x000D_ Standby Time: 320 hours _x005f_x000D_ Net Weight: about 178g _x005f_x000D_ Packaging size: 210 * 200 * 85mm/8.26 * 7.87 * 3.34inch _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x Headphone _x005f_x000D_ 1 x Audio Cable _x005f_x000D_ 1 x Charging Cable _x005f_x000D_ 1 x Chinese and English Instruction Manual 1. Long Endurance: Say goodbye to battery anxiety with our wireless Bluetooth-Compatible headphones. With just 2.5 hours of charging time, you can enjoy uninterrupted music and calls for up to 12 hours. Keep the music going without worrying about running out of power. 2. HD Stereo Sound: Immerse yourself in high-definition stereo sound with our headphones. Combined with advanced software and noise-canceling technology, these headphones are designed to reduce ambient noise. Whether you're making calls, listening to music, or enjoying entertainment, experience crystal-clear audio even at low volumes. 3. Designed for Long-lasting Comfort: Our Bluetooth-Compatible headphones are engineered for all-day comfort. Featuring ultra-soft ear cushions and an adjustable headband, they fit snugly and comfortably on your head. The ear cushions are designed with a texture that mimics human skin, ensuring a comfortable fit during extended listening sessions. 4. Bluetooth-Compatible 5.0 Technology: Enjoy a seamless audio experience with our headphones, thanks to Bluetooth-Compatible 5.0 technology. It offers stable transmission speeds, lower latency, and excellent audio output. Stay connected and experience exceptional music quality wirelessly.