These Avantree headphones, feature an "Active Noise Cancelling" function, Bluetooth 4.1 and high-end CSR chipset. The ultra-lightweight foldable design combines with high precision-engineered stereo drivers gives you a maximum comfortable music experience. Product Features: Active Noise Cancelling: Effectively reduces distracting low-frequency background noise while preserving the characteristics of the audio source at the press of a button Superior Sound: High precision-engineered 40mm stereo drivers combined with an advanced Bluetooth CSR chipset deliver powerful and steady audio ensuring a smooth but dynamic music listening experience. Ultra-Light & Custom Fit: Constructed from lightweight yet durable materials. Offers an improved and fully customizable fit with swivelling ear cups, an adjustable and foldable headband with super-soft ear pads. An idyllic music companion for travelling. Wireless & Wired 2-In-1: Bluetooth 4.1 connects in seconds from up to 33 feet away. Built-in rechargeable battery provides up to 10 hours playtime in ANC Mode and up to 18hrs playtime in Bluetooth Mode. Includes an audio cable for use in wired mode via the 3.5mm AUX port without draining your battery. Full Control On Your Headphone: The user-friendly and hands-free capability allows you to make calls, choose music tracks, adjust volume and switch ANC ON/OFF - all from

headphone's onboard controls. Specifications: BT version: V4.1 Speaker unit: 40mm Sensitivity: 113 +/- 3dB Impedance: 32 +/- 15% Frequency range: 20Hz - 20KHz Operation distance: 10m Power: 3.7V/350mAh Model: ANC032 What's in the box 1x ANC Headphones 1x Micro USB charging cable 1x 3.5mm AUX audio cable