<p><strong>TECHNICAL SPECIFICATIONS</strong><br /> Dimensions: 214mm x 104mm x 66mm<br /> Net weight: 960g<br /> Speaker: Magnetically shielded 52mm (4?) x 2<br /> Loudspeaker output: 10W x 2<br /> Frequency response: 40Hz &ndash; 18kHz<br /> Signal-to-noise: ? 95db<br /> Distortion: ? 1.0%<br /> Battery capacity: 2,200mAh x 2<br /> Battery charging voltage: 5V (USB)<br /> Battery charge time: Minimum 2.5 hours</p> <p><strong>BLUETOOTH SPECIFICATIONS</strong><br /> Operating frequency range: 2.4GHz &ndash; 2.48GHz<br /> Wireless range: Up to 10 metres (33 feet)<br /> Bluetooth compliant: v4.2<br /> Bluetooth profile support: A2DP, AVRCP, HFP, HSP<br /> Bluetooth playback time: Up to 8 hours</p>