AtNeDcVh RCA 4-Way Bi-Directional Audio Switcher Splitter, 1 In 4 Out / 4 In 1 Out Stereo L/R Sound Channel Audio Switch Selector Splitter Box with Remote Control For Speakers Headphones Amps
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.
You can switch through the remote control or the "Switch" button, and the Manual And Remote Switching Both Are Supported.
With a Remote Control. 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 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.

What's in the box:
AS-002 RCA 4-Way Bi-Directional Audio Switcher Splitter *1 pcs
RCA (Male) to 3.5mm (Female) audio cable *2 pcs (Each length: about 3.94in)
Remote control (without the coin cell) *1pcs
IR extender cable *1pcs
Type C 5V adapter & cord *1pcs
Product Manual *1 pcs