I. Product Overview
The New Bee M51/M53 is a stylish business Bluetooth headset featuring a built-in Qualcomm Bluetooth chip for stable connection, HD voice calls, and clear music listening. It offers up to 15 hours of battery life and 6 months of standby time, enhancing convenience in your daily life.
Please note that Bluetooth connection may be affected by physical obstructions (walls), electronic interference, or exceeding the maximum transmission distance.
II. Package Contents
The following items are included in your New Bee M51/M53 package:
- Headset x 1
- Charging case x 1
- Charging cable x 1
- User manual x 1
- Ear cap (S) x 1
- Ear cap (M) x 1
- Ear cap (L) x 1

III. Product Diagram
1. Headset Components

- Retractable Ear Hook
- Multifunctional Button
- Volume Up Button
- Volume Down Button
- Main Microphone
- Microphone Mute Button
- Secondary Microphone
- Headset Indicator
- Type-C Charging Port
- Headset Charging Contact Point
- Speaker
2. Charging Case Components

- Charging Case Indicator
- Type-C Charging Port
- Digital Display Screen
IV. Setup
1. Wearing Instructions
The headset is designed for comfortable wear on either the left or right ear. The ear hook is retractable and the microphone boom is rotatable for optimal positioning.
Wearing on the Right Ear:
- Take the headset from the charging case. Adjust the length of the ear hook as needed (adjustment range: 0-3.2mm). Slide the headset from above the ear to behind the ear, then gently press it toward the ear.
- Rotate the microphone boom to ensure it is directed towards your mouth.
NOTE:
- For the most comfortable fit, remove your glasses before wearing the headset. Put your glasses back on after the headset is in place.
- Do not use excessive force when adjusting the ear hook length.

Wearing on the Left Ear:
- Rotate the microphone boom upwards and twist the earbud to the other side. Then, rotate the ear hook clockwise.
- Slide the headset from above the ear to behind the ear, then gently press it toward the ear. Rotate the microphone boom downwards to ensure it is directed towards your mouth.

NOTE:
- The maximum rotation angle of the microphone boom is 270°.
- The maximum rotation angle of the ear hook is 180°.
2. Bluetooth Connection
Initial Pairing:
- Take out the headset from the charging case or press and hold the Multifunctional Button for 3 seconds to turn it on. The headset will emit a
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