Wireless earbuds with active noise cancellation and up to 36 hours of battery life. - Model Name: Beats Studio Buds + - Features: Active Noise Cancellation - Battery Life: Up to 36 hours (with case) - Charging: USB-C charging case - Compatibility: iPhone, iPad, Android Thank you for looking. I haven't used them much. I think they are in good condition. The M size ear tips are missing. Please note that these are used items, so no claims or returns are accepted.