iRULU V4.1 Bluetooth Headset Handsfree Wireless Earphone Earpiece For IOS And Android Smartphones Black Talk time: 10 hours, reduces background noise. Enjoy your mobile calls and hear streaming music and GPS directions without holding your phone or getting tangled in wired earbuds. Bluetooth 4.1, hands free/ headset profile A2DPAVRCP Comfort and Convenience. Designed to fit either ear, the earloop swivels and rotates for a stable fit. 100% satisfaction. One Year Warranty, 90 Days Return & Refund.