once you know your body measurements,consult the Size Chart on the product pages for actual item measurements to determine which size you should purchase.
Model: Groove 2 Color: Black Bluetooth Version: 5.3 Bluetooth Range: Up to 18m/59ft (Open Area) Input Power: 5V/1A, via Type-C port Output Power: 10W Microphone: Built-in IP Rating: IPX7 Play Time (Varied by Volume Level & Audio Content): Up to 18 Hours(Varied by Light Display) Charging Time: 3.5 Hours Frequency Range: 20Hz – 20kHz Playing Modes: Aux-in, Micro SD/TF Card, Bluetooth Applicable Scenes: Showering, hiking, mounting, etc. Other Features: Tailored for Showering, Beat-driven Light Show Product Dimension: 106 x 106 x 60mm/ 4.17 x 4.17 x 2.36inch Product Weight: 473.5g/1.04lbs Package Dimension: 126 x 138 x 84mm/ 4.96 x 5.43 x 3.31inch Package Weight: 600g/1.32lbs Package Contents: 1 x Tronsmart Groove 2 Portable Shower Speaker 1 x User Manual 1 x Type-C Charging Cable 1 x Aux-in Cable 1 x Carabiner