Bluetooth Headset Pianogic HB-902 V4.0Wireless Neckband Bluetooth Headphones Stereo in-Ear Noise Cancelling Earphones Sports Running Magnetic Earbuds for iOS and Android(Gold) LATEST V4.0 APT-X audio codec Technology:Neckband wireless earbuds for working out, built with CSR 4.0 chipset guarantees solid performances and Provides a several-second and stable paring with your bluetooth enabled device SHINING DIAMOND DESIGN:These bluetooth neckband headphones are designed like an angulate diamond sparkling CONVENIENT STRONG MAGNET:With the hidden magnetic hassle-free magnetic compartment to keep the wires intact, seamlessly store, and conveniently locate the earbuds as needed NOISE CANCELLING Stereo Hi-Fi Sound:As a cordless bluetooth headphones for iphone ipod and android,it bring you perfect audio listening feast with powerful bass and noise cancelling COMFORTABLE NECKBAND STYLE:Ultra feather-lightweight on the ears with around the neck design in flexible and bendable collar body neckband frame to provide maximum comfort, mobility, and portability for both outdoor running and indoor use