Katinkas Kaboom, iPhone 4/4S. RMS rated power: 3 W, Frequency response: 100 - 20000 Hz, Signal-to-Noise Ratio (SNR): 75 dB. Bluetooth version: 2.1+EDR, Bluetooth profiles: A2DP, AVRCP, Bluetooth range: 10 m. Power source type: Battery. Colour of product: Black