Acer OHR557 Wireless Open-Ear Clip Earbuds, Waterproof HiFi …, Mandai

✨ **Key Features**
- ???? **Hi-Fi Surround Sound**: ACS surround sound + ACavity acoustic structure. Crystal-clear treble, smooth midrange, and deep bass—delivers truly immersive audio.
- ⚡ **Bluetooth 5.4 Stable Connection**: Equipped with a Bluetooth 5.4 chip for fast signal transmission and strong anti-interference. Enjoy seamless music, perfect for sports and commuting.
- ???? **Long Battery Life + Fast Charging + Smart Standby**: High-capacity battery supports up to 4 hours of single use. Smart standby and fast charging keep it ready anytime.
- ???????? **Two Color Options**: Classic black/white/beige—simple and versatile to match any style.
- ???? **Complete Accessories**: Headphones + charging cable + user manual—ready to use right out of the box.

???? **Product Specifications**
- Model: OHR557
- Color: Black/Beige/White
- Connection: Bluetooth 5.4
- Single Battery Life: Up to 4 hours (with smart standby + fast charging)
- Sound Configuration: ACS Surround Sound + ACavity Acoustic Structure

???? **Package List**
- Acer TWS Wireless Headphones × 1 pair
- Charging Cable × 1
- User Manual × 1

❓ **FAQ (Including Troubleshooting)**
1. How to switch between Chinese and English voice prompts? After successful pairing of left and right headphones, double-click either earphone (without connecting to a device) to enter switching mode (system defaults to Chinese/English cycle).
2. Is the connection stable? The Bluetooth 5.4 chip offers strong anti-interference—ideal for daily commuting and sports.
3. Can the battery life meet daily use? Enjoy up to 4 hours of single use plus smart standby to reduce power consumption; fully sufficient for daily commuting and short trips.