"1. Easy to Operate: Simply connect your speaker/headset with our device, immediately transform your speaker/headset into a fashionable wireless Bluetooth speaker/headset. 2. Wireless Play: Removing troubles of wired connection, through the wireless connection and transmission, the user can enjoy a high fidelity music at any place indoor by wireless control. 3. Portable Design: Mini size with clip design the feature of portable can let you carry them to anywhere you want. 4. Compatible with home stereos / speaker, car stereos, headphones that is with 3.5mm audio input.5. No support for side-by-side recording, support for one, two, support for connecting headphones, connecting mobile phones, connecting speakers, connecting cars6. Product features: support for side-recharging, Bluetooth receiver, Bluetooth receiver, car Bluetooth receiver, AUX Bluetooth receiver, audio adapterSpecification:Product Name: Bluetooth ReceiverProduct material: plastic + metalProduct color: blackInterface type: 3.5mmProduct size: 5*2*1cmQuantity: 1PC/2PCSProduct weight: 29g (Bluetooth receiver + metal adapter + line + manual + PP bag packaging)Product List:1PC Bluetooth ReceiverOR2PCS Bluetooth ReceiversNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow slight dimension difference due to different manual measurement."