Quality build that guarantees longevity.Built with an alloy frame?? which allows these headphones to be super durable and strong.</br>57mm titanizing diaphragm ensures quicker transient response to electrical signals and enhanced overall sound performance?? delivers dynamic sound?? powerful extra bass.You can hear every beat every word.</br>3D sound effects will give you a lively and stirring "rience?? especially for movies.</br>Condenser Microphone with a sensitivity of -42dB makes sure that you sound very clear on phone calls.</br>Padded with soft memory foam rich in protein to ensure long-wearing comfort.</br></br>Product Description</br></br><B>T3</B> ?? the latest Bluetooth headphones of Turbine Series?? is designed and created by our professional Bluedio team. Compared with T2?? it has a number of major upgrade: Zn alloy frame and body ensures it's sturdy enough to be unbreakable and durable; 57mm titanizing diaphragm leads to a better resolution?? quicker response and dynamic and swift sound; the totally new 3D sound?? adopted by Turbine Series for the first time?? will give you a more wonderful sound experience. <br> <br><B>Warranty and Customer Service information</B> <br>1 year warranty from the date of purchase <br>Email Bluedio Customer Service?? get answered under 24 hours <br>To email Bluedio Customer Service: you can click "ount" on Amazon?? click"our Orders"?? find the Bluedio order?? click "ntact Seller". <br> <br><B>Note</B> <br> 1.There is a new added Play/Pause button on T3. <br> 2.Operations such as skipping forward/back and Volume+/- on T3 are contrary to previous headphones. <br>