Sanwa Supply Launches Open-Ear Headset Compatible with Bluetooth and Wired Connection Without Blocking Ears or Isolating Ambient Sound

Sanwa Supply Co., Ltd. (Headquarters: 1-10-1 Takamachi, Kita-ku, Okayama City; President and CEO: Kazunori Yamada) announces the release of the open-ear headset 'MM-BTSH73BK', compatible with both Bluetooth and USB wired connections, enabling users to make calls without blocking their ears and while still hearing surrounding sounds.

Thanks to its open-ear design and lightweight construction, this product ensures comfort even during extended use. It supports both Bluetooth and USB wired connections, allowing reliable operation even when batteries are depleted or wireless signals are restricted. The built-in microphone with noise-cancellation technology reduces ambient noise, delivering clear voice transmission. It also includes a USB-A to USB-C adapter and a carrying pouch, making it highly versatile for telework and business trips.

Product Name: Bluetooth Open-Ear Headset (with Wired Connection Support)

Model Number: MM-BTSH73BK　　　Standard Price: 12,100 JPY (11,000 JPY, excluding tax)

Product Page: https://www.sanwa.co.jp/product/syohin?code=MM-BTSH73BK

Direct Sales Site: https://direct.sanwa.co.jp/ItemPage/MM-BTSH73BK

Dual-Mode Headset: Bluetooth and Wired

Supports Bluetooth 5.4, offering stable wireless communication and low power consumption, ideal for long-duration business use.

Also supports wired USB connection, ensuring uninterrupted usage in environments with connectivity restrictions or when the battery is drained.

Open-Ear Design for Ambient Sound Awareness

Users can respond to colleagues or family members during web conferences without removing the headset.

The open-ear design allows natural perception of surrounding sounds, making it perfect for remote and office work environments.

※ At high volume levels, sound leakage may occur.

Clear Voice Transmission Even in Noisy Environments

Equipped with a unidirectional microphone for enhanced sound pickup and ENC (Environmental Noise Cancellation) technology to suppress background noise, ensuring clear and intelligible voice transmission.

Comfortable Fit with Minimal Pressure and No Heat Build-Up

Lightweight design reduces fatigue during prolonged use. The headset rests behind the head, eliminating concerns about messing up hairstyles.

Compatible with Both USB Type-C and USB-A

Includes a USB-C to USB-A adapter, enabling compatibility with a wide range of devices such as tablets, laptops, and desktop computers.

USB Type-C Charging

Can be conveniently charged via a computer’s USB-C or USB-A port, or using an AC charger.

Hands-Free Calling While Charging

When connected via cable, the headset receives power from the connected device, allowing uninterrupted use without worrying about battery life.

※ Bluetooth functionality is disabled during charging.

Flexible Headband for a Secure, Comfortable Fit

The flexible band conforms comfortably to various head shapes, reducing fatigue during extended wear.

On-Ear Volume Control

Adjust volume up or down by sliding the touch sensor located near the ear.

Included Carrying Pouch for Storage and Portability

The pouch allows convenient storage of both the headset and cables.