IWOOT - Stuff you really, really wantLove those moments where the bass kicks in? These in-ear wireless headphones deliver stronger bass at the touch of a button! You get 10 hours play time, fast charging and soft wing tips for a secure fit and better passive noise isolation.8.2mm drivers/closed backIn-earBASS boost button. Instantly stronger bassThese wireless headphones boast 8.2 mm neodymium drivers that give you clear sound and punchy bass. When you want more, simply press the BASS boost button on the in-line remote. You’ll feel the difference instantly.10 hours of play time. USB-C chargingYou get 10 hours play time from a 2 hour charge via USB-C. If you’re running low on power, a quick 15 minute charge will give you another 1.5 hours. The flat headphone cable sits comfortably behind your neck whether the earbuds are in or out.Secure, flexible, comfortableThe oval acoustic tube and interchangeable earbud covers give you a comfortable in-ear fit. Soft wing tips fit snugly under the ridge of your ear, enabling a secure fit and better passive noise isolation.Technical SpecificationsSound:Acoustic system: ClosedMagnet type: NdFeBSpeaker diameter: 8.2 mmDiaphragm: PETFrequency response: 20 - 20,000 HzSensitivity: 105 dBConnectivity:Bluetooth version: 5.0Maximum range: Up to 10 mBluetooth profilesA2DPAVRCPHFPHSP