RoadKing RKING4000


  • Enjoy double shift of up to 28 hours talk time or play time
  • Lightweight design makes these perfectly portable and comfortable to wear
  • Bluetooth(R) 5.0 wireless technology to pair with any Bluetooth(R) enabled device for hands-free operation
  • Multi-function button for power + pause + play + end call + voice dial + redial + volume + next song + more
  • LED indicator light signals when power is on or off and also signals charging status and more
  • Advanced noise-canceling ultra-soft large earpad with memory foam padding and option to convert from mono wireless headset to stereo wireless headset
  • Noise-cancelling windsock to block out unwanted noise and protect your mic from dirt and moisture
  • Three-way calling function lets you talk to up to 3 colleagues at the same time
  • Powers off automatically after non-connection for 10 minutes or if battery voltage is below 3.1V

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Small Business

This product is from a small business brand. Support small. 

Note: Products with electrical plugs are designed for use in the US. Outlets and voltage differ internationally and this product may require an adapter or converter for use in your destination. Please check compatibility before purchasing.

Additional information



Model Name




Form Factor

In Ear

Connectivity Technology



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