Stereo 2.0 audio system, power: 6 W, 2 x 45 mm speakers, frequency response: 100 Hz - 18 KHz, Bluetooth 5.0, supported bluetooth protocols: HFP/A2DP/AVRCP, range up to 20 m, hands-free function, TWS technology (True Wireless Stereo), 3.5 mm mini jack audio input, microSD cards and USB up to 64 GB, supported audio formats: WAV/MP3, FM radio, auto search function with up to 50 presets, microUSB power, charging cable length: 50 cm, battery: 1200 mAh, type Li-Po, operation up to 9 hours, charging time: 3 hours, dimensions - 180 x 74 x 40 mm, weight 356 g