Wireless earphones with a 5.8mm driver and 20 hours of playback. Beige - Brand: audio-technica - Model: ATH-CKS330XBT - Driver Size: 5.8 mm - Continuous Playback Time: 20 hours - Water Resistance: IPX2 - Accessories: USB charging cable, ear tips, magnetic clip Thank you for viewing. Used a few times. Please refrain from purchasing if you are looking for a perfect item, as it has been stored at home. In very beautiful condition. Operation has been confirmed. Will be shipped without the box.