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This Wireless Bluetooth Earbuds Stereo Headphones is compatible with iPhone 4 4s 5 5S, iPad 2 3, iPod , Android, Samsung Galaxy S3 S4, Samsung I9300,Samsung N7100,HTC Butterfly,Smart Phones,MP3 MP4and other Bluetooth devices.
This headphones has a 10 meter range and provide up to 4 hours of music/talk time, and 180 hours standby between charges.
Tiny lightweight and excellent sound and clear voices.
Package included are: Audiosynq wireless headphones, usb charging cable, ear-hooks, and sml/med/lrg earbuds (color: BLACK)
When you first use it, hold down its top button around 10 seconds until the light flashes, flashes red, then blue, red, then blue, at which time the device show up to be synced.