Softalk Wired Retro Handset for All iPhone 5/6, Samsung Galaxy S6, iPad, Androids, HTC, Blackberry with 3.5mm Jack - Retail Packaging - Black Plugs into the standard 3.5mm Headphone Jack on your Cell Phone. Have a comfortable Cell Phone conversation - works just like a regular Phone handset. Reduce cell-phone radiation and heat, and eliminate dead Bluetooth hands free devices. No batteries required. Always be ready for that important call.