The latest Tronsmart Studio portable speaker has a metal chassis and a 5,000mAh battery - NotebookCheck.net News
Boxa Portabila Tronsmart Studio Bluetooth Speaker, 30W RMS, Waterproof IPX4, autonomie 15 ore
Tronsmart Studio Metal Bluetooth Speaker, Wireless Portable Speaker Loud 30W Subwoofer, Customizable EQ via App, 15-Hour Playtime, Waterproof speaker, Sync Up to 100+ Speakers for Party Home Outdoor : Amazon.co.uk: Electronics &