SoundBEATS Universal Hv-800 Wireless Music A2dp Stereo Bluetooth Headset Universal Vibration Neckband Style Headset Earphone Headphone for Cellphones Enabled Bluetooth Slim and Lightweight Design, Wireless Music plus Call Functionality, Stream Music to Your Home/Vehicle Audio System, Built-in Rechargeable Li-Polymer Battery, Turn Your Favorite Corded Headphones into Wireless Includes Titanium Driver Noise-cancelling Headphones, Bluetooth Dongle Capabilities Specifications: Bluetooth: V2.1+EDR, Transmission Power: Class 2, Bluetooth Profiles: A2DP, AVRCP, Frequency Range: 2.4GHz~2.480GHz, Transmission Distance: 10 meters, Battery: Li=Poly 3.7V 120mAh, Headphone Jack: 3.5mmq Compatible with: Apple iPad, Apple iPad 2, Apple The New iPad, Apple iPhone, Apple iPhone 3G, Apple iPhone 3Gs, Apple iPhone 4, Apple iPhone 4CDMA, Apple iPhone 4S Also Compatible with Most Cell phones: BlackBerry, UP, HTC, Motorola, Samsung, Sharp, Sanyo, Sony Ericsson