Connectivity Technology : Wireless. *-* Item Dimensions : 41 X 12.5 X 2.1 Cm. *-* Item Weight : 25 Grams. *-* Microphone Form Factor : Built-In *-* Special Features : Microphone Included Fast Charging Sweatproof Lightweight *-* Environment Noise Cancellation Bluetooth Is A Versatile Wireless Technology That Enables The Seamless Exchange Of Data Over Short Distances Typically Up To 10 Meters (33 Feet) Though Some Versions Can Extend Up To 100 Meters (328 Feet). Operating In The Globally Available 2.4 Ghz Ism Band Bluetooth Connects A Myriad Of Devices Such As Smartphones Tablets Laptops Headphones Speakers And Smartwatches Facilitating A Wireless And Cable-Free Experience. Known For Its Low Energy Consumption Bluetooth Low Energy (Ble) Is Particularly Advantageous For Battery-Operated Devices Ensuring Prolonged Usage Without Frequent Recharging. This Technology Supports A Wide Range Of Applications From Simple File Transfers To Complex Audio Streaming