Introduction
The Master & Dynamic MW07 True Wireless Earphones are designed to deliver a premium audio experience with a focus on aesthetics, strength, comfort, and exceptional sound. These noise-isolating, in-ear wireless earbuds feature advanced acoustics, best-in-class connectivity, and innovative comfort technology for an immersive listening experience.
Crafted with a luxurious handcrafted marbled acetate design, the MW07 earphones are both modern and timeless, transforming the way you listen to your favorite music.
What's in the Box
Your Master & Dynamic MW07 True Wireless Earphones package includes the following components:
- MW07 True Wireless Earphones (Left and Right)
- Stainless Steel Charging Case
- USB-C to USB-A Charging Cable
- USB-A Adapter
- 5 Pairs of Silicone Ear Tips (XS, S, M, L, XL)
- 2 Pairs of Silicone Fit Wings (Small, Large)
- Canvas Pouch for accessories

Figure 1: Included components of the MW07 True Wireless Earphones.
Product Overview
The MW07 earphones are engineered for superior sound and user convenience. Key features include:
- 10mm High-Performance Beryllium Drivers: Deliver rich, expansive sound across all music genres.
- Noise-Isolating Design: Provides a snug fit that reduces ambient noise for an immersive audio experience.
- Lightweight Slim Profile: Designed for comfortable, extended wear and easy portability.
- Handcrafted Marbled Acetate Construction: Offers a durable and aesthetically pleasing finish.
- Hand-Polished Stainless Steel Charging Case: Provides elegant mobility and additional charges.

Figure 2: Close-up view of a single MW07 earbud.

Figure 3: MW07 earbuds and charging case with a smartphone.
Setup
1. Charging the Earphones and Case
Before first use, fully charge your MW07 earphones and the charging case. The case holds 3 additional charges, providing a total of 14 hours of listening time.
- Connect the provided USB-C to USB-A charging cable to the charging case and a power source.
- The indicator lights on the case will show the charging status:
- Red: Low battery
- Amber: Medium battery
- Green: Full battery
- Place the earphones into the charging case. The earphone indicator lights will illuminate to show their charging status.
- A full charge for the earphones takes approximately 1.5 hours. The charging case can be charged to 50% in 15 minutes and 100% in 40 minutes.

Figure 4: Charging instructions (refer to the "充電方法" section).
2. Fitting the Earphones
Proper fit is crucial for optimal sound quality and noise isolation. The MW07 comes with various ear tips and patented silicone "fit wings" to ensure a secure and comfortable fit.
- Experiment with the 5 sizes of silicone ear tips to find the best seal for your ear canal.
- Select either the small or large silicone fit wings. These wings are designed to rest securely in the outer part of your ear.
- Gently insert the earphone into your ear, rotating it slightly until the fit wing sits comfortably and securely.

Figure 5: MW07 earbud with a silicone fit wing.

Figure 6: MW07 earbud properly seated in an ear.
3. Pairing with Your Device
The MW07 earphones feature quick pairing Bluetooth 4.2 technology with a range of over 20 meters.
- Ensure the earphones are charged and placed in the charging case.
- Open the charging case. The earphones will automatically enter pairing mode.
- On your device (smartphone, tablet, computer), navigate to the Bluetooth settings.
- Select "MW07" from the list of available devices.
- Once connected, the indicator light on the right earbud will turn solid blue.
- For subsequent uses, simply remove the earphones from the charging case, and they will automatically connect to the last paired device.

Figure 7: Pairing instructions (refer to the "ペアリング" section).
Operating the Earphones
1. Controls
The MW07 earphones feature intuitive controls for media playback and calls:
- Right Earbud (Multifunction Button):
- Single Press: Play/Pause music.
- Double Press: Skip to next track.
- Triple Press: Skip to previous track.
- Press and Hold: Activate voice assistant (Siri, Google Assistant, etc.).
- Left Earbud (Volume Control):
- Volume Up Button: Increase volume.
- Volume Down Button: Decrease volume.

Figure 8: Earphone controls (refer to the "本体操作" section).
2. Automatic Play and Pause
The MW07 earphones are equipped with optical sensors that detect in-ear placement. This enables an automatic play and pause function:
- Music will automatically pause when you remove one or both earphones from your ears.
- Music will automatically resume when you place both earphones back into your ears.
3. Making and Receiving Calls
The built-in microphone allows for clear communication during calls.
- Answering/Ending a Call: Single press the multifunction button on the right earbud.
- Rejecting a Call: Press and hold the multifunction button on the right earbud.
Maintenance
To ensure the longevity and optimal performance of your MW07 earphones, follow these maintenance guidelines:
- Cleaning: Regularly wipe the earphones and charging case with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials.
- Ear Tips and Fit Wings: Remove and clean the silicone ear tips and fit wings with mild soap and water. Ensure they are completely dry before reattaching.
- Storage: When not in use, always store the earphones in their charging case to protect them and keep them charged. Store the case in a cool, dry place away from extreme temperatures.
- Water Resistance: The MW07 earphones are water-resistant. However, they are not waterproof. Avoid submerging them in water or exposing them to heavy rain. Dry them thoroughly if they get wet.
Troubleshooting
If you encounter issues with your MW07 earphones, try the following troubleshooting steps:
| Problem | Solution |
|---|---|
| Earphones not pairing/connecting. |
|
| No sound or low volume. |
|
| Earphones not charging. |
|
| Automatic play/pause not working. |
|
Specifications
| Feature | Detail |
|---|---|
| Model Name | MW07PB |
| Connectivity Technology | Bluetooth |
| Wireless Communication Technology | Bluetooth |
| Bluetooth Version | 4.2 |
| Bluetooth Range | 20+ Meters |
| Audio Driver Type | Dynamic Driver |
| Audio Driver Size | 10 Millimeters |
| Noise Control | Sound Isolation |
| Battery Life (Earphones) | 3.5 Hours |
| Total Listening Time (with Case) | 14 Hours |
| Charging Time | 1.5 Hours (Earphones), 40 minutes (Case to 100%) |
| Item Weight | 9 Grams (each earbud) / 0.317 ounces |
| Product Dimensions | 0.98 x 0.89 x 1.11 inches |
| Material | Handcrafted Marbled Acetate (Earphones), Stainless Steel (Charging Case) |
| Water Resistance Level | Water Resistant |
| Included Components | Earphones, Case, Ear Tips, Fit Wings |
Official Product Video
Video 1: Master & Dynamic MW07 True Wireless Earphones Overview. This video highlights key features such as 10mm beryllium drivers, quick pairing, noise isolation, optical sensors for automatic play/pause, handcrafted marbled acetate design, and the stainless steel charging case.
Warranty and Support
For detailed warranty information and customer support, please refer to the official Master & Dynamic website or the user guide provided with your product.
A digital version of the user guide can be found here: Master & Dynamic MW07 User Guide (PDF)
For further assistance, you may also visit the MASTER & DYNAMIC Store on Amazon.





