New, Unused Price not negotiable Shipped anonymously. Simply plug it into the iPod Dock connector to enable Bluetooth on your dock speaker. Compatible with speakers that have a 30-pin Dock connector and output analog signals. Compatibility with 12V and digital signal speakers is extremely low. As an exception, BOSE SoundDock and similar models are compatible. A list of tested models is shown in image 6. *We cannot guarantee compatibility with models not listed due to potential issues. Manufacturer: I-WAVE (Imported) Bluetooth Version: V5.1+EDR, Class 2 Profiles: A2DP, AVRCP Transmission Rate: 3Mbps Effective Range: 10m Operating Frequency: 2.4～2.4835GHz External Power: Not required (Powered by the Dock connector) Shipping is planned via Yu-Packet Post Mini from Yu-Yu Mercari. Thank you.