Welcome to our store! 30PIN: Bluetooth adapter receiver for iPod, for iPhone Dock. This Bluetooth music receiver with a 30-pin connector can be connected to Bluetooth speaker systems. COMPATIBILITY: The Bluetooth receiver is suitable for iPhone 4, 4S, etc., and speaker systems with a 30-pin connector. Please check your device before connecting. FAST TRANSFER SPEED: The Bluetooth audio receiver boasts a transfer speed of 4 Mbps, allowing you to play your favorite songs from your device remotely via BT connection. BLUETOOTH: The Bluetooth audio adapter is compatible with all Bluetooth-enabled wireless music streaming (A2DP), so you can seamlessly enjoy music streaming without additional manipulation. EASY TO USE: This wireless Bluetooth audio receiver is plug-and-play, offering instant installation and simple setup. Just plug in, pair, and play your music. Item Type: Bluetooth Adapter Receiver Material: ABS Interface: 30-pin Transfer Speed: 4 Mbps Bluetooth Distance: Approx. 10 m/10.9 yd Bluetooth Version: 2.0 Support Protocol: A2DP 1 x Bluetooth Adapter Receiver If you receive your item and find any product issues, such as damage or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory customer service.