![Bluetooth Adapter 4.1 Audio Music Receiver for iPhone 4 4S interface JBL speaker Bose for Sounddock iPhone iPod Dock Speaker|Wireless Adapter| - AliExpress Bluetooth Adapter 4.1 Audio Music Receiver for iPhone 4 4S interface JBL speaker Bose for Sounddock iPhone iPod Dock Speaker|Wireless Adapter| - AliExpress](https://ae01.alicdn.com/kf/HTB1V4HYNMDqK1RjSZSyq6yxEVXaB/Bluetooth-Adapter-4-1-Audio-Music-Receiver-for-iPhone-4-4S-interface-JBL-speaker-Bose-for.jpg)
Bluetooth Adapter 4.1 Audio Music Receiver for iPhone 4 4S interface JBL speaker Bose for Sounddock iPhone iPod Dock Speaker|Wireless Adapter| - AliExpress
![Using External Speakers or Headsets - The iPhone Book: Covers iPhone 4S, iPhone 4, and iPhone 3GS, Fifth Edition [Book] Using External Speakers or Headsets - The iPhone Book: Covers iPhone 4S, iPhone 4, and iPhone 3GS, Fifth Edition [Book]](https://www.oreilly.com/library/view/the-iphone-book/9780133016529/graphics/11fig25.jpg)
Using External Speakers or Headsets - The iPhone Book: Covers iPhone 4S, iPhone 4, and iPhone 3GS, Fifth Edition [Book]
![Blå Aluminium dock højttaler med fjernbetjening til iPhoneś & Ipod's - USB Flash Disk, Micro SD-kort Blå Aluminium dock højttaler med fjernbetjening til iPhoneś & Ipod's - USB Flash Disk, Micro SD-kort](https://olsens-it.dk/1090-large_default/aluminium-dock-hojttaler-med-fjernbetjening-til-iphone-4-iphone-3gs-3g-iphone-support-usb-flash-disk-micro-sd-kort-bla.jpg)