Calus Stanmore Iii Wireless Speaker,

Connectivity: Wireless connection via Bluetooth and supports multiple input modes including U-disk, TF-card, and AUX. Portability: Advertised to offer "20+ HOURS OF PORTABLE PLAYTIME" with a built-in battery for portability. Design: Features an iconic, retro amplifier-inspired design with a "Calus" logo script, similar to Marshall speakers. The packaging mentions "Rain Luxury" which suggests a level of water resistance, as other Calus models have an IPX6 waterproof rating. Additional Features: Includes hands-free calling and may support a "Superbass" mode or EQ adjustments, as indicated by mentions of an "EQ button" for other Calus models.