Philips SB7220. RMS rated power: 8 W, Driver size: 25.4 mm. Bluetooth version: 2.1, Bluetooth profiles: A2DP, AVRCP, HFP, HSP, Bluetooth range: 10 m. Power source type: AC, Battery, Battery technology: Lithium, Input voltage: 100 - 240 V. Dimensions (WxDxH): 72 x 68 x 179 mm, Weight: 488 g. Package dimensions (WxDxH): 133 x 100 x 200 mm, Package weight: 953 g