GEMBIRD Bluetooth stereo headset silver 80014283 BTHS-01-SV Product Description: GMB Audio - headphones with mic Product Type: Headphones - Bluetooth - wireless, wired - 3.5 mm jack Recommended Use: Portable electronics, computer Colour: Silver Headphones Form Factor: Full size Connectivity Technology: Wireless, wired Wireless Technology: Bluetooth Bluetooth Version: Bluetooth 5.0 Sound Output Mode: Stereo Audio Specifications: Frequency Response 20 - 20000 Hz - Sensitivity 102 dB +/- 3dB Impedance: 32 Ohm Controls: Volume control, next/previous track, multiple function button