Bluetooth version: 5.0 stereo Call function, support music Lightweight and sweat-resistant Easy to use Compatibility: 99% compatibility, the market with Bluetooth digital products can basically be used. Product name: y30 Bluetooth headset Material: ABS Bluetooth version: 5.0 stereo Bluetooth chip: Jerry 6936 Bluetooth distance: 10 meters Headphone power: 55mAh Charging warehouse: 450 mAh Listening time: about 3 hours How to use: Earplug Channel: Stereo Function: call function, support music Color: black,white Size: 8*4*3cm Package Contents: 1 * pair of Bluetooth headset 1 * charging cable 1 * charging compartment 1 * Instructions manual