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- 1
- Languages
- ZH
- Last added
- 2026-09-29
Featured SMS Audio manuals
SMS Audio SYNC by 50 In-Ear Wireless Earphones User Manual
This manual introduces the SYNC by 50 in‑ear wireless earphones, describing the packaging contents, button functions, and how to operate the device safely. It also covers charging procedures, Bluetooth pairing, and IPX4 water‑resistance details.
Key specifications such as Bluetooth 4.0 with CSR8645 chipset, APTX support, 20‑20,000 Hz frequency response, up to 8 hours of playback, and a 250‑hour standby time are listed, along with battery and power information. This manual is written in Chinese.
Covers: Packaging List · Button Locations and Descriptions · Getting Started · Pairing · Product Specifications · Safety Information
Latest SMS Audio manuals
SMS Audio SYNC by 50 In-Ear Wireless Earphones User Manual
User Manual 22 pages · 2.8 MB · ZHThe SMS Audio SYNC by 50 user manual provides setup, pairing, charging, safety warnings, and specifications for the in‑ear wireless earphones.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in SMS Audio manuals
How do I pair the earphones with a Bluetooth device?
Place the earphones within 30 cm of the device, then press and hold the multifunction button for about 5 seconds until the red and blue LEDs flash, indicating pairing mode.
From: SMS Audio SYNC by 50 In-Ear Wireless Earphones User Manual