JBL Flip Essential 2. Passive radiator size (W x D): 44 x 80 mm. RMS rated power: 20 W, Frequency range: 65 - 20000 Hz, Signal-to-Noise Ratio (SNR): 80 dB. Connectivity technology: Wireless, Frequency range: 2.402 - 2.4835 GHz, Bluetooth profiles: A2DP, AVRCP. Product colour: Black, Product design: Cylinder, Volume control: Buttons. Recommended usage: Universal