High Sound Quality Speakers Connects directly to the walking pad via Bluetooth on your phone. | Multi-layer Running Belt 5 different functional layers can enhance anti-slip and effective cushioning with high durability. | Easy to Add Lubricant The walker comes with a bottle of lubricant, add lubricant along the side of the running belt (Lubricated at the factory). | Remote Control Speed adjustment via remote control((No batteries included, Requires 1x CR2450 type button cell)). |