GOgroove AirBand Bluetooth A2DP Gaming Tablet Headphones w/ Headset Microphone , 8 Hours of Wireless Streaming and Hands-Free Calling - Works with Nvidia SHIELD , Sony Xperia Z3 Compact , Dell Venue 8 7000 and more! Works excellent with Apple iPod nano , Philips GoGear Ariaz , Sony Walkman NWZ-ZX2 and More Bluetooth MP3 Players Equipped with onboard playback controls, integrated microphone, and A2DP Bluetooth 2.0 to support hands-free calling and music controls from up to 30 feet away Adjustable design with plush padding offers complete comfort for up to 8 hours of audio enjoyment on one charge TECH SPECS: Charging Input Voltage: DC 5v / Charging Time: 2.5 hrs / Weight: 5 oz / Bluetooth Profile v2.1: Headset, Hands-Free, A2DP, AVRCP / Frequency Response: 2.402 GHz-2.480 GHz Guaranteed Quality - 3 Year Manufacturer's Warranty