Check the listing for details. WOLFANG - Wireless Bluetooth CSR HandsFree Earpiece w/ Noise Reduction (B). Color: Black, Condition: Open box. Listed at 19.99 USD. Bluetooth Headset, WOLFANG Wireless Bluetooth CSR V4.1 HandsFree Earpiece w/ Noise Reduction Mic Product FeaturesLight Weight and Ergonomic DesignThe lightweight design of the Bluetooth headset and soft silicone ear bud let you put it on and forget you're wearing itCrystal Clear AudioWith Noise Reduction microphone and noise suppression technology, the Bluetooth earpiece provides you crystal clear sound even in noisy environment. Ideal for meetings and conversing with people on the go.Voice Prompt Wideband audio supported, Voice-prompt for Paring, Power on/off, Battery Level etc. It could activate voice assistant like siri/Google, and make it easy to use.Superior Performance and Easy to useSupports Multipoint Technology, this Bluetooth headset with mic works with all smartphones, tablets. Support Stream Music/Video/Audio.One Year GuaranteeWe provide 1 year guarantee period and 45 days no reason to return, also with friendly after-sale service.Product SpecificationsPackage Dimensions: 4.3 x 3.5 x 1.3 inchesItem Weight: 0.64 ouncesShipping Weight: 0.64 ouncesItem model number: 4334962334Batteries: 1 Lithium Polymer batteries required. (included)