Features: 1. After putting the battery (not included), no procedure is needed, just use it after taking out. 2. Made of high quality ABS material, which makes it durable, wear-resistant and has a long service life. 3. These buttons can support over 100,000 clicks, and the battery life in daily use is 6-8 months. 4. Compatible for Sony HT-S100F / HT-SF200 / HT-SF150, new users can learn quickly and skillfully. 5. Good replacement when the original remote control is lost, damaged, or a new remote control is needed. Specifications:Item Type: Speaker Remote ControlMaterial: ABSThe color blackWeight: approx. 46.0 g / 1.6 ozBattery Type: 2 AAA batteries (not included)Model: RMT-AH411URemote Control Distance: 8mCompatible Sony HT-S100F / HT-SF200 / HT-SF150