JBL GO 3 BLAU. 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 Blue. Design Rectangle. Volume control Buttons. Recommended usage Tablet / Smartphone. Country of origin Vietnam. Battery type Built-in battery. Battery technology Lithium Polymer (LiPo). Battery capacity (Watt-hours) 2.7 Wh