1.Bluetooth 2.Line in 3.Bluetooth hands-free calls Bluetooth hands ... partner. Sales of the store card speaker. With standard 3.5mm LINE IN audio input line, do cell phones, notebook computers, ... to noise ratio: ≥ 70 dB4)speaker: 45mm outer diameter, magnetically shielded 4 Europe5) LINE IN connector: with a standard 3. ... : red, blue, black, silver, BLACK FQ Bluetooth Portable Speaker,USB Speaker KS-BQ1