Philips SB7300. Audio output channels: 2.0, RMS rated power: 12 W. Headphone connectivity: 3.5 mm, Bluetooth profiles: A2DP, AVRCP, HFP, HSP, Bluetooth range: 10 m. Battery technology: Lithium, Input voltage: 100 - 240 V, Input frequency: 50/60 Hz. Weight: 0.61 kg. Package dimensions (WxDxH): 200 x 100 x 143 mm, Package weight: 1.037 kg