Hifi Stereo Foldable Wireless Headphones For Mobile, Tablet, Bluetooth Headset. SPECIFICATIONS Style: On-ear Vocalism Principle: Dynamic Control Button: Yes Active Noise-Cancellation: No Communication: Wireless Volume Control: Yes Sensitivity: 20dB Wireless Type: Bluetooth Is Wireless: Yes Max Output: 1mW Line Length: 0m Support APP: Yes Function: for Video Game Function: Common Headphone Function: For Mobile Phone Function: HiFi Headphone Function: Sport Number Of Drivers: 2 Impedance Range: Up to 32 Connectors: USB Earcups Type: Sealed Headphone Pads Material: Memory Foam Bluetooth Version: 5.0 Support Memory Card: Yes Driver Diameter: 40mm Resistance: 32 Waterproof: No Frequency Response Range: 20 - 20000Hz Total Harmonic Distortion: 0.1% With Microphone: Yes Charging Method: CABLE Magnet Type: Ferrite Color: Black/White/Blue/Green/Red Color: White ,Black,Green,Blue,Red Version: 5.0 Function: Last/Next Song,Play/Pause, Call Rejection, One-key Siri Working Distance: 10M Charging Time: About 2 Hour Working Time: About 6-8 Hour Headphone Battery: 300mAh Frequency: 10KHz~50KHz Sensitivity: 108 ±3dB Input Current: 5V 1A Impedance: 32 Measurement(about): Product Package Size: Length: 17cm/6.69 Inch; Width: 11cm/4.33 Inchhigh: 5cm/ 1.97 Inch Product List: Headset X1 USB Charging Cable X1 Manual X1 . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.