Feature: 1. Battery: The speaker remote control need button battery(not included), which can be used directly after the battery is installed. 2. Easy To Use: Stereo system remote control is easy to operate and use, no programming or pairing required, and the keys are sensitive. 3. Compatible Model: Replacement speaker remote control for Edifier B3 RC10A1 stereo system new remote control. 4. Large Buttons: Small speaker remote, simple design, with large buttons, to ensure your use function, used to replace lost or damaged ones. 5. ABS Shell: Remote control shell is made of high quality ABS material, with high hardness, wear resistant and durable. Specification: Item Type: Remote Control Material: ABS Battery: Button Battery, 1 x CR2025 (Not included) Applicable: New Remote Control for Edifier B3 RC10A1 Stereo System. Package List: 1 x Remote Control