Mini, and portable design. Easy to use by connecting directly 30 pin dock to transform your speakers into a fashionable wireless Bluetooth-compatible speaker. Long distance to play your favorite songs in your device through a Bluetooth-compatible connection. Suitable for , for , for , for Comply with Bluetooth-compatible 2.0, support A2DP V1.0, V1.2, V2.0, V2.1, plug and play. Compatible with all Bluetooth-compatible devices that support wireless music transfer(A2DP). Music borderless, music wireless. Enjoy high fidelity music at any place indoor by wireless control. Specifications: Bluetooth-compatible 2.2 Support: A2DP V1.0, V1.2, V2.0, V2.1, Interface/port: Standard i Pod 30 pin interface Output: 30pin output Transmission rate: 3(Mbps) Transmission distance: 10m Operation steps:(for version) Step 1. Insert the product directly into the 30PIN plug slot of the speaker, and the speaker display ""; . Open the Bluetooth-compatible device of the , computer, and mobile phone, search for the product device name and match it with it; Step 3. After the prompt on the playback device is successfully connected to the product, the music can be played wirelessly on the speaker. size: 4.3 x 3.5 x 1cm Material: plastic colour: black Package Contents: 10 x Bluetooth-compatible Music 30 Pin Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.