Bose QuietComfort 3 Acoustic Noise Cancelling Headphones (Discontinued by Manufacturer) On-ear fit: Ear cups rest gently on your ears Bose noise reduction and quality sound for travel, work and home Comfortable, lightweight design with an on-ear fit: headphones rest gently on your ears Rechargeable lithium-ion battery: 25 hours average use per charge Fold-flat ear cups for easy storage in slim carrying case