Dell Inspiron 15 Laptop 3520 12th Gen Intel® Core™ i3-1215U 6 Cores Processors 8GB DDR4 512 SSD 15.6″ FHD WVA 120Hz 250 nits

Type: Wireless headphone (with cord)Battery: 400mADriverUnit: 40 mmFunction: volume control, pause/Play device, MIC unctionStead by time: 100 hoursPlay time: 18 hoursFrequency Response: 20 Hz-20KHzCord length: 1. 2 m+10%Connector: 3. 5 mm stereo plugSensitivity: 114dab/mWAudio source: communication equipment