This is what's in the pictures: *BOYA BY-WM8 / BY-WM6 - Professional UHF Wireless Microphone System* The set you have is complete and ready for filming, and it's one of the most popular sets used by YouTubers and photographers. *What's in the bag?* 1. *Two BOYA devices, one TX and one RX:* The ones with the LCD screen and small antenna - One *Transmitter (TX)* where the small microphone is attached and worn by the speaker - The second *Receiver (RX)* is attached to the camera or phone 2. *Small Lavalier microphone with clip:* The black wire with the gold head, this clips onto the shirt 3. *Handheld microphone / XLR adapter:* The long black piece, you can connect a handheld mic to it if you want *How it works quickly:* 1. Insert two AA batteries into each device (or charge it if your model is rechargeable) 2. Turn on both devices, set them to the same frequency - press SET and make sure the numbers on both screens are the same 3. Connect the small microphone to the MIC IN port on the TX device 4. Connect the cable of the second device, the RX, to the camera's MIC input or to the phone with a TRS/TRRS adapter 5. If the light is green and steady, it means it's connected *How much is it worth?* New of this model in Saudi Arabia ranges between *350 to 550 SAR* on Noon and Amazon. A clean used one sells for 200-300. Your bag looks clean, just a little dusty. Take care of the antenna so it doesn't break. Do you want to sell it or do you need an explanation on how to connect it to an iPhone/Android phone? Tell me your phone or camera model and I'll give you the exact adapter you need.