JBL BOOMBOX 3. Tweeter diameter: 2 cm. Frequency range: 40 - 20000 Hz, Signal-to-Noise Ratio (SNR): 80 dB. Connectivity technology: Wired & Wireless, Frequency range: 2.4 - 2.48 GHz, Bluetooth profiles: A2DP, AVRCP. Product type: Stereo portable speaker, Product colour: Black, Product design: Cylinder. Recommended usage: Universal