Brand New Sealed in Manufacturers Packaging Walkers Razor XV 3.0 Bluetooth Behind the Neck Headset. The Razor XV 3.0 is a non-intrusive neck worn design with flat, no-tangle cables. Bluetooth version (GWP-BTN-BT) includes: A free control app that allows for complete control of your Razor XV 3.0 from your SmartPhone using the Walkers LINK app – Found in Google play and App Store. RETRACTABLE DIGITAL EAR BUDS. BLUETOOTH CONNECTIVITY – CONTROLLED BY WALKERS LINK APP FOUND IN GOOGLE PLAY AND APP STORE. HI-GAIN OMNIDIRECTIONAL MICROPHONES FOR CLEAR SOUND ENHANCEMENT. EARBUDS IN IMPROVED POSITION FOR LESS CORD INTERFERENCE. HD WALKER’S IN EARBUDS FOR WIDE RANGE AUDIO QUALITY. 3 PAIRS OF FOAM TIPS – (S / M / L) INCLUDED. INTEGRATED MICRO USB PORT. MICRO USB CHARGING CABLE INCLUDED. 4 FREQUENCY MODES: UNIVERSAL, SPEECH CLARITY. HI-FREQUENCY AND POWER BOOST. BATTERY – RECHARGEABLE LITHIUM BATTERY. APP SUPPORTED – YES.