兴趣爱好Its battery lasts a long time and recharges quickly. The Voyager Focus 2 uses Bluetooth 5.2 wireless connectivity, which accounts for its long battery life. Bluetooth 5.0 and above force all audio connections to use Bluetooth Low Energy (BTLE), which makes headphones that use it far more efficient than those that use previous versions of Bluetooth. Headset elements I Updated to iOS 8.1.2. Now my Logitech headset will not connect. These over-ears have a well-balanced sound profile out-of-the-box. Although they lack;low-bass, they have a bit of extra boom to help emphasize sound effects in your game. Dialogue and instruments also sound clear and detailed. However, the headphones are prone to inconsistencies in audio delivery, so it's important to take the time to adjust their fit to your liking. Luckily, they're compatible with Logitech G HUB software, so you can tweak their sound using the graphic EQ and presets.