Noise-Cancelling Wireless Earbuds HiFi Sound Bluetooth Comfortable Fit Multi-Device Bluetooth Earphone

✨ Key Features- 🎧 Hi-Fi Surround Sound: ACS surround sound with ACavity acoustic structure delivers clear treble, smooth midrange, and deep bass—immersive audio for every moment.- ⚡ Bluetooth 5.4 Stable Connection: Bluetooth 5.4 chip ensures fast signal transmission, strong anti-interference, and a stable, seamless music experience perfect for workouts and commutes.- 🔋 Long Battery Life + Fast Charging + Smart Standby: High-capacity battery supports up to 4 hours of single use; smart standby and quick charging keep you powered anytime—ideal for daily use.- 🖤🤍 Two Color Options: Choose classic black or white—simple, versatile, and matching any style.- 📦 Complete Accessories: Includes headphones, charging cable, and user manual—ready to use right out of the .📐 Product Specifications- Model: OHR546- 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 with 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 pairing both earbuds, double-click an earphone (without connecting to a device) to enter switching mode; system cycles between Chinese/English.2. Is the connection stable? Yes—Bluetooth 5.4 chip offers strong anti-interference; rarely drops during commutes or workouts.3. Can the battery life meet daily use? Absoluy—4 hours per charge plus smart standby reduces drain, making it perfect for commuting and short trips.