PC Speaker - Universal - 20W Wireless Bluetooth Speaker Boombox Soundbar TV Subwoofer Portable Bookshelf in Column Speakers Computer Speakers | Bookshelf Speakers Highlights Universal 20W Wireless Bluetooth Speaker Boombox Soundbar TV Subwoofer Portable Bookshelf in Column Speakers Computer Speakers | Bookshelf Speakers 20W Wireless Bluetooth Speaker Boombox Soundbar TV Subwoofer Portable Bookshelf in Column Speakers Computer Speakers | Bookshelf speakers Parameters: - Bluetooth version: 5.0 - Output power: 10W x 2 - Rated resistance: 4 ohm - Frequency response: 200Hz - 20kHz - Transmission frequency: 2.412 GHz - 2.484GHz - Bluetooth distance: 10 - 12m - Charging time: 3 - 4 hours - Playing time: 10 - 12 hours - Battery: 4500mAh (included) - SNR: less than 85 dB - Charging plug: micro USB - Charging voltage: DC 5V Notes: 1. Please store in dry places, prohibit the placement of water or excessively humid places. 2. Do not disassemble the product to prevent electric shock.