NGS Introduces the ARTICA GREED WHITE wireless stereo headphones compatible with Bluetooth 5.1 technology (10 m range). Wireless use via Bluetooth or wired via the included 3.5mm audio cable. Provides high sound quality and a unique design. Easy to pair with your favorite device. Thanks to the built-in microphone, you can answer or make calls without having to take your phone out of the bag. Lithium polymer battery with up to 40 hours of battery life at maximum volume. Equipped with a USB Type-C port to charge the 300mAh battery. Impedance 32 ohms and frequency response 20Hz ~ 20kHz. Sensitivity 105+/-3dB Supra-aural headband design that fits perfectly to any size. The headset is lightweight and offers a foldable design for easy storage and transport. It features an adjustable headband, padded ear pads and rotating ear cups for maximum comfort. With the simple buttons on the headset, you can control music playback and answer calls.