Wireless over-ear Bluetooth headphones. Enjoy High-Resolution sound quality via wireless and wired connection through specially designed 45mm drivers. Sleekly styled, compact over-ear design enables superb sound isolation. Foldable and lightweight for enhanced portability – perfect for travelling. 30 Hours battery life for continuous music playback on one charge. Integrated volume and mic control switch in the earcup for convenient control of smartphones and other Bluetooth audio devices. Compatible with Qualcomm aptX, AAC and SBC codecs. One-touch pairing with NFC-compatible Bluetooth enabled devices. Soft, memory foam earpads and easily adjustable headband slider provide a comfortable fit. Includes 1.2m detachable smartphone cable, USB charging cable, and carrying pouch. Headphones: Type: Dynamic. Driver diameter: 45mm (x 2). Frequency response: 5 – 40,000 Hz. Maximum input power: 1,500 mW. Sensitivity: 100 dB/mW. Impedance: 39 Ohms. Battery: DC 3,7 V lithium polymer battery. Battery Life: Continuous use: 30 hours approx. Standby: 1,000 hours. Charging time: 5 hours. Microphone type: Condenser. Microphone: Polar pattern omnidirectional. Frequency response: 50 – 4,000 Hz. Sensitivity: -44 dB. Bluetooth version: 4.1. Operating range: 10 m. Weight: 242 g (without cable). Colour: Silver