The mouse lasts 400+ hours using two AAA batteries, which is great as you can literally swap the batteries out as soon as the mouse dies. In terms of the wireless connection, you can connect via the included USB dongle or through Bluetooth 5.0.
The SteelSeries 3 Wireless will set you back $119 when it releases in Australian stores in the next month or so.
STEELSERIES 3 RIVAL 3 WIRELESS FEATURES
Industry-leading 400+ hour battery life for uninterrupted power-efficient use
Dual connectivity via gaming-grade 2.4 GHz and multi-purpose Bluetooth 5.0
Ultra-low latency wireless with wired-like performance
Pixel-perfect TrueMove Air optical gaming sensor
Hyper durable materials engineered with high-grade polymer and switches