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: Mega Pro Color: Black Bluetooth Version: 5.0 Bluetooth Range: Up to 20m/66ft (Open Area) Input Power: 5V/3A via Type-C Port Output Power: 60W Max Microphone: Built-in IP Rating: IPX5 Play Time (Varied by Volume Level & Audio Content): Up to 10 Hours (50% volume) Charging Time: About 3 - 4 Hours Frequency Range: 20Hz - 20kHz Playing Modes: Bluetooth, Aux-in, Micro SD/TF Card, U-disk Other Features: Stereo Pairing, NFC Seamless Connection Product Dimension: 252 x 84 x 105 mm/9.92 x 3.31 x 4.13inch Product Weight: 1.78kg /3.92lbs Package Dimension: 288 x 145 x 124mm/11.33 x 5.70x 4.88nch Package Weight: 2.5kg/5.51lbs Package Contents: 1 x Mega Pro Bluetooth Speaker 1 x User Manual 1 x Storage Bag 1 x Type-C Charging Cable 1 x 3.5mm Audio Cable