Smart tumbler

- 2-in-1 Design: Combines a 500ml insulated tumbler with a Bluetooth speaker base

- High-Fidelity Sound: Built-in speaker with play/pause, volume, and power controls

- Durable Build: Stainless steel rim and BPA-free body for safe sipping

- Rechargeable Battery: USB-powered speaker with up to 6 hours of playback

- Easy Pairing: Compatible with all Bluetooth-enabled devices

- Anti-Spill Lid: Secure screw-top with leak-proof seal

- Textured Grip Base: Speaker doubles as a stable, non-slip base