Foldable wireless headphones with Active Noice Cancelling (ANC) function. With up to 20dB noise reduction and the 40mm speaker, these headphones provides a powerful music experience even when surrounded by noise. Ergonomic design with spongy earcup for comfortable wearing. Elegant aluminum plate on earcup with anodised finishing, making it suitable for laser engraving. Over 8 hours playback time at max volume with ANC ON and 16 hours playback time at max volume with ANC OFF. CSR Bluetooth® v4.2 chipset providing stable connection up to 10 meters. Includes AUX cable and charging cable. Delivered in a PU pouch for protection and easy transportation, and packed in a premium gift box.