Description: Name: Bluetooth-compatible Speaker. Product features: Bluetooth-compatible, call, TWS couplet; Color box size: 105 x 87 x 40MM; Material process: aluminum alloy; Power supply mode: built-in lithium battery; USB: 5V; Product net weight: 102g; Bluetooth-compatible version: 5.0; Channel mode: mono + single diaphragm; Speaker specification: 36mm, 4Ohm;3W x 1; Diaphragm specification: 30mm; Bluetooth-compatible distance: >10M; Frequency response: 20Hz-20KHz; Charging parameters: 5V T port USB; Battery capacity: 350mAh; Packing list: 1 x Bluetooth-compatible Speaker, 1 x User Manual, 1 x Cable, 1 x Packing Box. Note: Due to the difference of different monitors, the picture may not reflect the actual color of the product.