JBL GO 3 PINK. Woofer diameter (imperial): 3.81 cm (1.5"), Woofer diameter: 4.7 cm. RMS rated power: 4.2 W, Frequency range: 110 - 20000 Hz, Signal-to-Noise Ratio (SNR): 85 dB. Connectivity technology: Wireless, Bluetooth profiles: A2DP, AVRCP, Bluetooth transmitter modulation: 8DPSK, DQPSK, GFSK. Product colour: Pink, Product design: Rectangle, Housing material: Plastic. Recommended usage: Universal