Smart rings are typically equipped with advanced sensors and integrated wireless connectivity technology, which allows users to track various health indicators such as heart rate, heart rate variability (HRV), movement, sleep patterns, calorie consumption and skin temperature, and receive alerts or notifications, and sometimes even conduct contactless transactions through near-field communication (NFC) technology.

Bluetooth 6.0 is the latest core specification launched by the Bluetooth SIG, and Bluetooth channel sounding is the most important innovative function in the specification, which can be widely used in application scenarios such as indoor positioning, distance detection and proximity sensing.

STMicroelectronics' SL-CNWLC01104V1 solution provides two-way wireless audio communication with high-quality audio and extremely low power consumption, making it ideal for smart home and industrial applications such as audio entertainment and gaming, wireless speakers, PC peripherals, headsets, and wearables Device for playing music from your smartphone and voice controlling your TV remote.

Huawei Flash Transfer (Huawei Share) is a wireless file transfer technology launched by Huawei, which aims to improve the efficiency and convenience of file transfer between devices. It supports fast file exchange between Huawei mobile phones, tablets, and PCs, using Wi-Fi Direct and NFC technologies.

Epson FA-238A is a high-performance quartz crystal oscillator widely used in automotive, industrial and consumer electronics fields. It is particularly suitable for automotive-grade and high-reliability applications, with excellent temperature stability, low power consumption and high precision.

Are you like me, and you can’t live without Bluetooth headsets in your daily life, especially its noise reduction function. Have you ever thought about how noise reduction in headsets is achieved?