Adopting High-Quality Electronic Components, Noise Reduction Circuit Design, Clear Sound, Noise Free, Crosstalk Free for Switching and Transmitting Audio Signals. | The Aluminum Alloy Case Is with Strong Anti-Interference Performance, Excellent Heat Dissipation, Ensuring Stable Signal Transmission. | Comes With 3 RCA (Male) To 3.5 (Female) 2-To-1 Cables, Which Can Be Converting and Compatible With All 3.5mm Devices. | 1 RCA In 2 RCA Out, Or 2 RCA In 1 RCA Out. The In Or Out Can Be Freely Switched Via The "Switch" Key On The Unit To Solve The Problem Of Frequent Plugging And Unplugging When In/Out From Multiple Devices. | With The RCA (Male) To 3.5 (Female) 2 To 1 Audio Cables, It Can Realize 1 In 2 Out, Or 2 In 1 Out From 3.5mm Devices; Or From RCA To 3.5 Device Output, And From 3.5 To RCA Device Out. | Small Size, Easy To Carry. The Product Dimensions: L 2.76 * W 2.33 * H 0.95 "(L 70 * W 59 * H 24mm), Weight: About 2.7oz (76.5g) | No Power Supply Required, Free Driver, Plug & Play. Widely Compatible With RCA / 3.5mm Audio Devices, Such As TV, PC, Phone,Tablet, Phonograph, DVD, Hifi Player, Decoder, Amplifier, Speaker, Desktop Speaker, Sound Bar, Etc.

It's a Lossless Bi-Directional Audio Switcher And Splitter, Adopting High-Quality Electronic Components, Noise Reduction Circuit Design, Clear Sound, Noise Free, Crosstalk Free For Switching And Transmitting Audio Signals. | 1 RCA In 4 RCA Out, Or 4 RCA In 1 RCA Out. The 4 Way Can Be Output Simultaneous. Freely Switching In / Out Via The "Switch" Button On The Unit, To Solve The Problem Of Frequent Plugging And Unplugging When In/Out From Multiple Devices. | With a Remote Control. The Manual And Remote Switching Both Are Supported. Note: There Is Not Including The coin cell In The Remote Control, And You Will Need To Prepare It Separately. There Is a Ir Expansion Jack On It Which Can Be Connected a Ir Extender & Cable. Powered By Type C 5V. | The Aluminum Alloy Case Is With Strong Anti-Interference Performance, Excellent Heat Dissipation, Ensuring Stable Signal Transmission. Small Size, Easy To Carry. The Product Dimensions: L 4.1 * W 2.4 * H 1.5 "(L 105 * W 61.5 * H 37mm), N.W. : About 7.9oz (225g) | Comes With Two Pcs Of 2 RCA (Male) To 3.5 (Female) 2-To-1 Cables, Which Can Be Using To Convert And Compatible With All 3.5mm Devices, To Realize 1 In 2 Out, Or 2 In 1 Out From 3.5mm Devices; Or From RCA To 3.5 Devices Output, And From 3.5 To RCA Device Out. | Free Driver, Plug & Play. Widely Compatible With RCA / 3.5mm Audio Devices, Such As TV, PC, Phone,Tablet, Phonograph, DVD, Hifi Player, Decoder, Amplifier, Speaker, Desktop Speaker, Sound Bar, Etc.