Harman Kardon Onyx Studio 9 Bluetooth Speaker

Output Power: 50W RMS Speaker Drivers: 1 × 120 mm woofer + 3 × 20 mm tweeters Frequency Response: 50 Hz–20 kHz Bluetooth: Version 5.3 Battery Life: Up to 8 hours Charging Time: About 4 hours USB-C Port: Yes (also supports charging external devices up to 5V/2.1A) Weight: 4.2 kg Dimensions: 289.2 × 287.5 × 130 mm