1. Subwoofer, Unit Cable/Bluetooth Dual Use 2. Built-In Bluetooth Chip Bluetooth, Wired Dual Connection, Mobile Phone Bluetooth High-Speed Connection, Clear Call Viewing 3. Woofer, Release Powerful Bass, Newly Upgraded Woofer + Bass Storm Hole Bass Thick And Powerful To Bring Immersive Listening Effect 4. 5-Unit Sound, High-Fidelity Surround Sound, 2 Speakers + 2 Air Deflectors + Subwoofer, 5-Unit Sound, 4d Stereo Loud Volume, Enjoy Cinema-Level Shock, Presenting High-Quality Sound Quality 5. Farewell To Current Sound Enjoyment, Professional Design Of G-Class Anti-Magnetic Technology, Overcome The Current Noise Natural Enemy With Anti-Magnetic Chip With Dual Magnetic Circuit Design, Positive And Negative Electromagnetic Cancellation To Play A 360-Degree All-Round Anti-Magnetic, No Worry About The Interference Caused By Mobile Phones And Computers Output Power: 3W Effective Distance: 10 Meters Interface Type: USB Channel: 2.1 Type: Computer Speaker Connection: 3.5mm Audio Jack Strip Size: 400x60x60mm; Bass Size: 100x100x205mm Colour:black Material:plastic Package Contents: 2 x Audio 1 x Chinese And English Instructions