Sound-Beat Speaker Speaker Specifications: Bluetooth Version: 2.1 EDR Transmission: 10m Frequency: 20Hz 20kHz Output Power: 4 3W x 2 SNR: 80dB Distortion: 0.1% Battery 3.7V 1200mAh Play Back: Approx 4 Hours Bring the beat into your lifestyle with the CYLO Sound-Beat Wireless Speaker. Enjoy high-definition audio with high trembling bass. The metallic finish gives you that luxury feels while complementing your room as you listen to your favorite songs. The metallic Bluetooth speaker allows you to listen to music from up to 10 meters from your device. Answer calls with the push of a button if you are not near your phone. The best luxury metallic speaker on the market!