Jie Rui Bt-5908 Manual Pdf [updated] -

The manual claims 15 hours. To get 20 hours, disable the voice prompt feature. Standard procedure: Turn off the headset. Press and hold and Volume Down for 4 seconds. A double-beep confirms voice prompts are off.

setting for this device in your phone's Bluetooth menu if it interferes with your car's original hands-free system. Activation Jie Rui Bt-5908 Manual Pdf

Always disconnect the battery before working on electrical components. To help you better, could you tell me: The manual claims 15 hours

This post provides a quick summary of the manual and installation instructions. Jie Rui Bt-5908 Manual Pdf

Knowing this, I can provide more specific advice or troubleshooting steps.