Caston wireless speaker ST5840

KSh 2,950.00

Parameter	Hypothetical Value
Bluetooth version	~ 5.0
Wireless range	~ 8 to 10 m
Output power	3–10 W (RMS)
Battery capacity	~ 1,500–2,500 mAh
Charging time	2–4 hours via USB
Playback time	~ 6–10 hours at moderate volume
Inputs	AUX (3.5 mm), USB, TF card slot
Dimensions / Weight	Compact (a few inches across), light (few hundred grams)
Protection / Build	Possibly basic splash resistance

The Caston ST5840 is likely a portable Bluetooth speaker intended for personal or outdoor use. It would combine wireless audio playback with auxiliary inputs and possibly built‑in charging via USB or solar . The design is probably compact and rugged enough for casual transport.

Feature	Possible Details
Bluetooth Connectivity	Support for pairing with phones, tablets, and laptops (likely Bluetooth 4.x or 5.x)
Aux / Wired Input	3.5 mm AUX-in / line-in for non-Bluetooth devices
Memory Card / USB Input	Slot for TF (microSD) cards or USB flash drives to play stored music
Rechargeable Battery	Internal lithium battery (e.g. 1,000 mAh to 3,000 mAh range)
Play Time	Several hours of playback (e.g. 5–12 hours, depending on volume)
Charging Method	USB charging (often 5 V, via micro-USB or USB-C); in “solar” variants, possibly a small solar panel
Controls	Buttons or dials for power on/off, volume, next/previous track, mode switch (BT / AUX / USB)
Design	Portable size, light weight, possibly with grip or rubber elements
Extras	LED indicator lights (battery, mode), possibly built‑in speakerphone (microphone), possibly modest water resistance or splash protection