PHILIPS BT50L/37 Bluetooth Portable Speaker (Lime) Color: Lime Speaker Type: Bluetooth Speaker Specification: Audio in (3.5mm) USB charging Output power (RMS): 2W Sound System: Mono Speaker driver: 1 x 1.5 Wireless Technology: Bluetooth Bluetooth Profile: A2DP & AVRCP Operating Range: 30 ft Battery: Lithium polymer (built-in) Dimensions: 2.99 x 2.40 x 2.40