Note: 1. You can't use a high-power charger, you must use a 5V/1A charger to charge!This headset can only be used to talk on a mobile phone, you cannot talk using the microphone when using it on a computer!New wireless Bluetooth headphone, stereo noise elimination Bluetooth headphone gaming headsetDimension: about 21 * 18 * 6 cmNet weight: 190gTransmission range: 10 mHow to use it: HeadphoneSpeaker: 40mm white magnetBluetooth solution: Jerry 5.0Transmission range: 10 mBattery capacity: 300 mAhWorking time: 4-8 hoursCharging time: 1-2 hoursDelay of 45 ms;Delivery list: earphone + audio cable + C type charging cable + manualAutomatic noise reduction, long battery life, enjoy the world sound range;Light design, the head beam is wrapped in a soft protein skin, with skin-friendly, breathable earmuffs, comfortable to wear;40mm dynamic unit, restore exquisite audio details, rich bass, clear treble, such as live music experience;Bluetooth V5.1 chip, lower power consumption, can obtain more stable audio transmission, better listening experience;Built-in 300 mAh large capacity lithium battery, power consumption as low as 10 mA, one can play for 40 hours;Foldable design, easy to carry, new materials, durable, tensile resistance;Compatible with 99% of the Bluetooth devices on the market, the auxiliary audio connection is more stable and faster;point out:1. Thanks for visiting our store. Our working hours are from 9 a. m. to 18:30 PM (closed on weekends and during some holidays);2. The preparation time is 1-3 days, except for special circumstances;3. If you have any questions, please contact our customer service department, and we will reply to you as soon as possible;4. If you are satisfied with our products and services, please give us five stars, thank you!