Product Overview
Up to 50-hr Playtime--Jam to Music All Day and Night
Necklace 4 provides an ultra-long music-listening experience. Up to 50-hour playtime allows you to charge your Necklace 4 once a week.
Charge 10 Mins, Play 10 Hours--Charge as A Flash
Just 10-min fast charging can provide 10-hr music listening, making your music play repeatedly.
Noise Cancellation in Calls--Designed for Clear Calls
Necklace 4 is featured with a proprietary noise-canceling algorithm and inline microphone, which helps reduce surrounding noise and provide a clear voice in calls.
Magnetic Lock--Intelligent Switch
Each earbud has a built-in magnet, allowing you to get away from tangle-free carrying, get easy storage, and make an intelligent switch.
Power on: Split the magnetic earbuds
Power off: Clip the magnetic earbuds on
Dual EQ--Switch As You Like
Press the Mode button "M" once to switch between Normal Mode and HavyBassâ„¢ Mode.
HavyBassâ„¢ 2.0--Unrivalled Deep Bass
The 2nd generation HavyBassâ„¢ algorithm will provide you with an extraordinary experience of thumping bass like never before!
Low-latency Game Mode--Audio and Video Sync in Game
Game mode provides a fluent experience while playing video games, helping you capture your best gaming moments.
Dual Device Connection--Freely Switch to the Other Devices
The necklace can connect 2 devices at the same time. Never worry about missing calls from another phone.
*Long press the button "O" and "+" at the same time for 2s to connect to the second device.
IPX5 Waterproof & Sweat Protection--Not Afraid of Water and Sweat
Featured with IPX5 waterproof and inner sweat-resistant nano-coating, Necklace 4 is created to withstand the test of time, accompanying you through rain and workout time.
 General Specifications
- Oraimo Neckband 4
- BT Version: V5.3
- Wireless Range: 10m
- Battery Capacity: 350mAh
- Play Time: Up to 50 hours
- Input: Type-C
- Model: OEB-E50D






