Bestway Group&reg; Universal HBS-700 Wireless Music A2DP Stereo Bluetooth Headset Vibration Neckband Style Headset Earphone Headphone For cellphones such as iPhone, Nokia, HTC, Samsung, LG, Moto, PC, iPad, PSP and so on & enabled Bluetooth (White) Newest Wireless CSR 3.0 Bluetooth headphone headset In earphone HV-800 stereo two-channel MP3 Music Handsfree with vibration microphone for iPhone, Samsung, HTC and other bluetooth devices. This product supports Bluetooth V2.1 version, support for Bluetooth A2DP and calling features. Battery time supports up to 8-15 hours. It can connect bluetooth with two devices Compatible with All Bluetooth-enabled smart phones laptops MP3 / 4 Etc Music play time: Up to 8 Hrs. Charging time: &lt;2.0Hrs. Operation temperature: -10 to +60. Size: 17cm x 14cm - 6.69inch x 5.51inch. Unique around-the-neck design that's lightweight and comfortable for all-day use