2.25" W x 9.5" L. ABS. Combine old and modern technology. Use with your cell phone. Works with most cell phone models (Blackberry, iPhone®, LG, Motorola, Nokia, Samsung and more). Dial your cell phone normally and use handheld handset receiver. Plugs into 3.5mm audio jack or use included 2.5mm adaptor. No batteries required. Individually boxed. Reduce your risk; keep your cell phone away from your head. Cell phone not included. Comes with 3.5mm to plug; simply plug into your device and it's ready to use. Additional 2.5mm adaptor is included for other models that use 2.5mm audio jack. Small button on handset to answer/disconnect calls as well as control other phone specific functions. iPhone® is A Registered Trademark Of Apple Inc. PAD 1C HD READY - 2.75" W x 0.75" H (handle)