Outdoor Tech OT1400 Privates - Wireless Bluetooth Headphones with Touch Control (Black) Wirelessly delivers audio using its 40mm drivers for clear mids and solid bass through real, real comfortable ear pads. Connectivity Technology: Wireless Only ONE button (yes, really). The rest is touch control, pretty cool. Rechargeable lithium-ion battery provides 10 hours of play time, and Bluetooth 3.0 which gives you a battery 'Fuel Gauge' displayed on source device. Foldable & flexible for easy storage during travel. Included: USB charging cable, color-matching backup 3.5mm audio line-in cable, signature ODT carry pouch, and user manual.