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
button to cycle through Bluetooth, FM Radio, USB, and TF card modes. Volume Control Volume Down : Long-press the (or "Back") button. : Long-press the (or "Next") button. Playback/Radio Previous/Next : Short-press the buttons to change tracks or radio stations. Auto-Search : In Radio mode, long-press the Play/Pause button to automatically scan and save stations. Hands-Free Calling : Short-press the Play/Pause key to answer an incoming call; long-press to hang up. www.wster.net Technical Specifications WS-1958BT - Car MODEL SPEAKER ws-1958bt music car speaker manual
Based on standard WSTER car-model interfaces, here is how to operate the device: as it acts as an antenna.
Turn the speaker off and on again, ensure no other device is connected. FM radio reception is poor: Plug in the AUX/USB cable, as it acts as an antenna. long-press to hang up.