Caston solar wireless speaker ST5860

Caston solar wireless speaker ST5860This portable solar-powered Bluetooth speaker (allegedly model ST5860) is designed for outdoor use, off-grid listening, and versatile audio playback. It blends multiple charging methods, playback modes, and rugged design to suit casual users, travelers, and campers.Key FeaturesFeatureDescription / Typical SpecsWireless ConnectivityBluetooth (likely version ≥ 4.0), allowing pairing with phones, tablets, etc.Solar ChargingIntegrated solar panel to recharge the internal battery when exposed to sunlight (often as a supplementary charging method).Auxiliary InputsSupport for USB drives, TF (microSD) card slots, and possibly a 3.5 mm AUX-in port.FM RadioBuilt‑in FM tuner to listen to radio stations.Rechargeable BatteryA lithium battery (in many Caston models, 1,000–4,000 mAh range) to power the speaker when solar is unavailable.Playback TimeOn full battery charge, many models run 5–12 hours depending on volume and usage.PortabilityCompact size, sometimes with a strap or handle; lightweight design.Controls & FeaturesButtons for play/pause, volume up/down, track skip, mode (BT / FM / USB / TF), power on/off. Possibly a built-in microphone for calls.Build / Weather ResistanceSome level of splash resistance (IPX rating) is sometimes advertised in similar models; casing often plastic or rubberized.LED IndicatorsIndicator lights for battery, mode, charging status.