ONYX-STUDIO-7 Portable Stereo Bluetooth Speaker

General Specifications TransducersWoofer 1 x 120mm, Tweeter 2 x 25mm Rated output power50 W RMS Power supply19 V / 2 A Frequency response50 Hz - 20 kHz (-6dB) Signal-to-noise ratio> 80 dB Dimensions Dimensions (W x H x D)268.0 x 302.5 x 159.5 mm/ 10.55 x 11.90 x 6.28 " Weight3.295 kg/ 7.26 lbs Control and Connection Specifications Bluetooth® version4.2 Bluetooth® profileA2DP 1.3, AVRCP 1.6 Bluetooth® transmitter frequency range2400 MHz - 2480 MHz Bluetooth® transmitter power? 9 dBm (EIRP) Bluetooth® transmitter modulationGFSK, ?/4 DQPSK, 8DPSK Battery Battery typeLi-ion polymer 11.70 Wh (equivalent to 3.6 V/ 3250 mAh) Battery charge time5 hours Music play timeup to 8 hours (dependent on volume level and audio content)