Wireless Headphones, i-Kawachi(TM) Stereo Foldable Headset Handsfree Wireless Bluetooth Headphones Earphone with Mic Micphone (Red) i-Kawachi is the Amazon registered brand Bluetooth + stereo headset combo, Wireless headphone connects to other device that has Bluetooth capability, such as for iPhone for Samsung Galaxy's for HTC's, etc. 3.5mm audio jack, provides a simple wired connection of a variety of devices without Bluetooth. Playing time up to 10 hours, and continue talk time up to 7-8 hours, standby time up to 120 hours. Good quality, foldable design and adjustable length hinges, very comfortable to wear and easy to carry.