Sport Stereo Wireless Bluetooth Headset Headphone For IPhone 4 4s

Specifications 1.high-definition surround sound 2.noise-isolating ear buds 3.Low price from Factory... Function: Bluetooth Sport Stereo Wireless Bluetooth Headset Headphone For iPhone 4 4s    Features:Switch from music to calls with the press of a button Integrated touch sensitive controls Behind-the wearing style helps provide a comfortable and stable fit Water and sweat resistant Enjoy up to approximately 4 hours music listening, 4 hours talk or 6 days standby time from a single charge 160 mAh lithium-ion rechargeable battery Version 2.0 Bluetooth wireless technology for better call quality, less interference and faster connections Class 2 Bluetooth wireless technology range up to 10 m (33 ft) Mini USB connector for charging  Specifications:1. Bluetooth version: Version2.0/Class2 2. Operating Distance: 10 Meters 3. Range of Frequency: 2.4GHz-2.4835GHz ISM Band 4. Operating Rang: Up to 10 Meters 5. Typical Talk Time: 4 hours 6. Typical Standby Time: 160 hours 7. Rx sensitivity < -80 dBm (PER 1 %) 8. Rechargeable Li battery: 160MAH 9. Compatible with various Bluetooth enabled devices such as mobile phones, PDAs and Laptops. 10. Product color: Black red green blue 11. Weight: 1.14 oz  Package Includes:1x Bluetooth headset 1x USB data line 1x  English Manual