Walkers Razor XV 3.0 Electronic Bluetooth Earbuds Headset 31 db NRR Black. The free control app allows for complete control of your razor XV from your SmartPhone.Features:RETRACTABLE DIGITAL EAR BUDS BLUETOOTH CONNECTIVITY RECHARGEABLE LITHIUM BATTERY 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 INDEPENDENT VOLUME CONTROL Specifications for Walkers Razor XV 3.0 Electronic Bluetooth Earbuds Headset: Manufacturer: Walkers NRR: 31 dB Quantity: 1 Size: One Size Color: Black Included Accessories: Standard Condition: New Last Chance: Yes Battery Type: Lithium Ion Age Group: Adults Features of Walkers Razor XV 3.0 Electronic Bluetooth Earbuds Headset: Retractable Digital Ear Buds; Bluetooth Connectivity - Controlled By Walkers Link App Found In Google Play And App Store; Rechargeable Lithium Battery; 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; Integrated Micro Usb Port; 4 Frequency Modes: Universal; Speech Clarity; Hi-frequency; Power Boost; Independent Volume Control; App Supported - Yes Package Contents: Walkers Razor XV 3.0 Electronic Bluetooth Earbuds Headset (x3) Pairs Foam Tips (SML) Micro USB charging cable Walkers GWP-BTN-BT: Razor XV 3.0 Electronic Bluetooth Earbuds Headset 31 db NRR Black