Bluetooth Version: Bluetooth V5.3 Bluetooth Profile: HFP1.7/ A2DP1.3/ AVRCP 1 IP protection: IPX7 Wireless Range: 10 m Frequency Response: 70 Hz - 20 kHz Speaker Diameter: 45mm + 30mm Speaker impedance: 4 ohm (±15%) Speaker Rated power: 20W + 10W SPL: 81 dB /1m/1W Charging: DC5V/2A SNR: >=80dB THD+N: <=1% (8W/1kHz) Battery Type: (li-iontový polymer) Music Playback time: 12 hours Standby time: 12 hours: 300days Charing time: 3,5 hours Charge port: USB-C Weight: 615 g Dimension: 201 x 74 x 83 mm1