Premium Usams YN-Series Noise Cancelling Bluetooth Headphones

Brand: USAMS Name: Wireless Noise Cancelling Headphones- YN Series Advantage： 3D Stereo Sound  Fully Enclosed Noise Reduction  Skin-friendly Over-ear Caps  Stretchable Arm Design Model: US-YN001 Color: Black BT Version: 4.2 Connection Distance: ≤10m Impedance: 32Ω Speaker Diameter: 40mm SpeakerSensitivity: 121dB±3 Frequency Range：50Hz~50KHz Battery Capacity: 250mAh Playing Time: About10h Charging Time: About 2h Stand-by Time: About 3 months Weight: About 125g Battery Capacity: 230mAh Charging Time: About 1.5h Compatibility: For Android/ Apple devices with BT function Accessories: Charging Cable *1 Features: 1. 40mm speaker, powerful 3D surround sound. 2. Fully enclosed noise cancellation, make calls clear. 3. Independentbutton control, easyfunction switching. 4. Soft and comfortable caps, light and adjustable arm.