20–20000 Hz, 32 ohm, Bluetooth 4.0 + EDR
Sound shapes your day, so enhance every moment with BackBeat PRO 2 wireless headphones. On-demand active noise cancelling creates an oasis of personal space in a public place at the touch of a button. Ready to roam? BackBeat PRO 2 also gives you Class 1 Bluetooth power with an amazing range of up to 100 meters and up to 24 hours of continuous listening time on one charge, so you can move with a whole new level of wireless freedom.
POLY BackBeat PRO 2, Wired & Wireless, 20 - 20000 Hz, Calls/Music, 289 g, Headset, Black
POLY BackBeat PRO 2. Product type: Headset. Connectivity technology: Wired & Wireless, Bluetooth. Recommended usage: Calls/Music. Headphone frequency: 20 - 20000 Hz. Connectivity range: 100 m. Weight: 289 g. Product colour: Black