Beats Solo3 Wireless | True Wireless On-Ear Headphones Excellent Used Condition, only used three times. Adjustable fit with comfort-cushioned ear cups Fine-tuned acoustics for clarity and depth with noise isolation Up to 40 hours of listening time Apple W1 chip & Class 1 Wireless Bluetooth® Includes: Beats Case, Beats Charging Cord and Beats Connector Cord Full description on Beats website: https://www.beatsbydre.com/headphones/solo3-wireless?sku=MX442