Product Name: Retevis Throat Microphone Earphone Microphone Vocal Cord Microphone Pharyngeal Microphone Tube Style Compatible with Smartphone 1-Pin 3.5mm PTT (9cm PTT) Black

This is a 1-pin throat microphone with sound tube concealment earphone (with PTT for mobile phones). It features a 3.5mm jack and is compatible with all devices including mobile phones.

The flexibility of the size adjustment is sufficient to fit your neck, which varies from person to person. It fits well around your neck to deliver crystal-clear sound to your partner.

The transparent monitoring-style tube wraps around the back of the ear, ensuring the ear tip fits snugly inside the ear. The reversible ear tip can be used on either ear. To stop the conversation, lightly press the button.

Sound is transmitted via air vibrations inside the tube, resulting in a soft sound quality, which also helps prevent and reduce electromagnetic waves.

This is a single-wire throat microphone equipped with an inline push-to-talk (PTT) button with a lapel clip. To stop the conversation, lightly press the button.

This product does not require batteries; it has no batteries.

Features:
- Because it directly picks up sound from the throat using a bone conduction type, it can be used even in noisy environments.
- The transparent tube-style ear tip offers good sound quality and discreet fashion concealment.
- Sound is transmitted via air vibrations inside the tube, providing a soft sound quality and helping prevent and reduce electromagnetic interference.
- Uses a transparent tube earphone with a silicone sealed type that fits snugly into the ear canal; can be used on either ear; enhances comfort during long-term use.
- As a throat microphone, it looks stylish and is suitable for both men and women, fitting a wide range of users.
- The PTT switch is 9cm long, increasing convenience; it also includes a clamp, allowing you to choose an easy-to-reach position.

Note: This throat microphone with a 3.5mm standard plug is compatible with most mobile phones, speakers, computers, and PS4.

Hotspot:
1. Adjustable throat microphone that fits various neck sizes (10 inches to 13 inches).
2. Heavy-duty solution for communication in high-noise environments.
3. Soft plastic earphone that fits snugly into the ear; reversible earphone usable on either ear.
4. Single-wire throat microphone with inline PTT button and lapel clip for easy attachment.

During a call, lightly press the button to stop the conversation.

Features:
- Sensitive throat vibration microphone capable of picking up low voices.
- Clear communication even in the loudest environments.
- Transparent flexible acoustic tube.
- 3.5mm standard plug.

This headset works with most phones with a 3.5mm plug, excluding Nokia and Sony Xperia models.

Here are some popular phone models you can refer to:
- Compatible with iPhone 5, iPhone 4S, iPhone 4, iPhone 3GS, iPhone 3G.
- Compatible with Samsung Galaxy Note, Note 2, S3, S2.
- Compatible with HTC.
- Compatible with other phones using a 3.5mm plug, excluding Nokia and ZTE.

Compatible with other devices using a 3.5mm plug.

Package includes:
- 1× Retevis throat microphone earphone.