If the WS-1958BT behaves erratically (buttons reversed, no LED, persistent noise), perform a factory reset:
1200mAh rechargeable 18650 battery, providing roughly 4–5 hours of playback. Additional Functions: Hands-free calling (built-in microphone) and FM radio. AliExpress 2. Operating Instructions Powering On/Off ws-1958bt music car speaker manual
The WS-1958BT is a versatile, high-power Bluetooth car audio speaker system designed for vehicles without modern infotainment systems. It typically features: If the WS-1958BT behaves erratically (buttons reversed, no