The Groov-e Rhythm Wireless Bluetooth Headphones are perfect for music lovers on-the-go. Comfortable, lightweight and versatile, it's the perfect companion for anyone who appreciates great sound quality, powerful bass and crisp treble. Thanks to Bluetooth compatibility, the Rhythm can be used without a cable - making it perfect for the daily commute. With 6 hours of wireless playback, it's also ideal for the long-haul traveller. Additionally, for those who prefer to relax with music at home or in the office, the headphones include a detachable 3.5mm audio cable (1.2m in length) and a Micro-USB charging cable for re-powering between cable-free use. A built-in microphone also allows users to make hands-free calls whilst in the car or in the office. Comfort is key with the Rhythm headphones. Folding ear cups, a lightweight frame and soft ear pads have been implemented to give users the optimal listening experience. Features and Benefits                                  Versatile - can be used without a cable or with. Comfortable - a lightweight frame and soft cushioned ear pads. Bluetooth wireless - freedom to move on your daily commute. Specification Battery: 6 hrs audio playback Removable 3.5 mm audio cable 40mm Divers Bluetooth connectivity Adjustable headband Micro USB charging cable Hands-free Mic Colour: Black