Features: Portable Charging Box: The charging box uses a magnetic switch high-definition call between the two ears automatic pairing after booting. LED power display bringing a cool atmosphere and making music playback more dynamic. Function:Fast transmission of high-definition sound quality close tluetoo the use of wired headphones low latency allows you to devote yourself to game entertainment Panoramic surround sound mode digital display screen visible power. Fast Connection and Bluetooth-5.1: The wireless headphones will automatically power on for pairing and connection when taken out from the charging case. Instant pairing auto reconnection improved connection stability improved battery performance better signal transmission. High-fidelity Audio and Clear Calls: The wireless bluetooth-compatible headphones features a 10mm speaker and a volume-optimized active equalizer that maintains audio clarity and balance. With a highly supple diaphragm that reproduces a rich bass range while enhancing sound quality and reducing distortion you'll hear clear HD stereo sound and powerful bass. A hands-free earphones with noise-canceling microphone makes calls easier and clearer to hear. After-sales Service:If you have any problem please contact us immediately we will help you solve it as soon as possible. Specification: Bluetooth-compatible Version: 5.1 Material:Plastics Transmission Distance: 10m includes: 1 pair of Earphone 1 * Charging Box "