Up to 5 hours of listening time on one charge, Or up to 3 hours with just a 15-minute charge in the charging case.

Build-in W1 Chip, magic sounds, window display, stable conect

Product Dimensions 4 x 4 x 1.3 inches

Weight 10.7 ounces

Manufacturer Apple Computer

Manufacturer reference MMEF2CH/A

Batteries 1 Lithium Polymer batteries required. (included)

Price: 52USD/PC