Plantronics BackBeat PRO 2 – Wireless Noise Cancelling Headphones (Black & Tan). Operating and storage temperature – 0 to 40 degree celsius.
Audio quality: immersive, high res sound, and powerful speaker drivers deliver the right balance of rich bass, crisp highs, and natural mid tones for your music
Active Noise Cancelling (ANC): Switch on active noise cancelling (ANC) to minimize ambient noise while working or traveling
24 Hour streaming/ listen Longer: enjoy up to 24 hours of wireless music, movies and calls before choosing the cabled Connection or recharging
Wireless freedom: stream rich, lifelike Audio up to 100 meters/330 feet away from your class 1 Bluetooth smartphone or tablet
Travel sleeve: ear cups swivel flat to slip into the protective nylon travel sleeve; Frequency response: 20 to 20,000 Hz