Audio-Technica Audio-Technica Gray Blue Wireless On-Ear Headphones

* Bluetooth wireless technology with mic and controls built into the earcup for answering/ending calls, controlling music & video playback and adjusting volume on connected devices * 40 mm drivers for outstanding sound quality * Internal battery provides up to 40 hours of continuous use (1,00 hours on standby) on a full charge * Headphones fold flat for easy transport * Includes 30 cm (1') USB charging cable * Lightweight earpads rest comfortably on the ears and provide good sound isolation * Type: Closed-back Dynamic * Driver Diameter: 40 mm * Frequency Response: 5 – 32,000 Hz * Sensitivity: 102 dB/mW * Impedance: 32 ohms * Battery: DC 3.7 V lithium polymer rechargeable battery * Battery Life: 40 hours continuous use (1,000 hours standby) Charging Time: Approx. 3 hours (for 0-100% charge) * 40 hours continuous use (1,000 hours standby) * Charging Time: Approx. 3 hours (for 0-100% charge) * Accessories Included: 30 cm (1') USB charging cable * Type (Microphone): Condenser * Sensitivity (Microphone): -40 dB...