S30 Bluetooth Wireless Headphones HiFI Stereo Gaming Waterproof Dustproof Headphones Sport Earbuds LED Display Headphones

HIFI TRUE WIRELESS EARBUDS - PURE SOUND FREEDOM  
══════════════ PROFESSIONAL AUDIO EXPERIENCE ══════════════  

━━━━━━ TECHNICAL SPECIFICATIONS ━━━━━━  
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• Driver Units: 10mm Dynamic Coil (Each Side)  
• Frequency Response: 20Hz-20kHz  
• Bluetooth Version: 5.0 Stable Connection  
• Battery Capacity: 40mAh (Earbuds) / 500mAh (Case)
• Playtime: 4-5H (Earbuds) + 24H (Case)
• Standby Time: 180H
• Charging: Type-C Fast Charging (1.5H Full)  
• Range: 15m Open Space Operation  
• Weight: 4.2g Per Earbud (Ultra Lightweight)
• **Reverse Charging: 5V/0.5A (Emergency Use)**

━━━━━━ INTELLIGENT TOUCH CONTROL ━━━━━━  
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✓ Single Tap: Play/Pause/Answer Call  
✓ Double Tap: Next Song/Previous Song  
✓ Triple Tap: Volume +/- Adjustment  
✓ Long Press 1s: Voice Assistant  
✓ Long Press: Power On/Off  
✓ Call Control: Click to Hang Up/Long Press to Reject

━━━━━━ CONNECTION & PAIRING （Important）━━━━━━  
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1. FIRST TIME SETUP:  
  • Place both earbuds in charging case  

  • Remove simultaneously for auto-pairing
  • Wait for automatic pairing (Breathing Light Indicator)  
  • Enable phone Bluetooth → Select "S30"  

2. AUTO-RECONNECT:  
  • Opens case lid for instant connection  
  • Remembers last paired device  
  • Seamless device switching

???? REVERSE CHARGING (EMERGENCY USE)
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**How to Use:**
1. Ensure charging case has sufficient power (≥50%)
2. Connect your phone to the case's USB port with a cable
3. The case will automatically act as a power bank

**Important Notes:**
→ **Emergency Only:** Provides ~15% charge to most smartphones
→ **Priority Function:** Using this feature will drain the case battery and leave no power for the earbuds
→ **Low Efficiency:** Charging speed is slower than standard wall chargers
→ **Not Recommended** for daily use

━━━━━━ REALISTIC AUDIO PERFORMANCE ━━━━━━  
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✓ STRENGTHS:  
- Clear Vocal Reproduction  
- Deep Bass Response  
- Minimal Audio Latency  
- Wide Soundstage  

━━━━━━ DESIGN & COMFORT ━━━━━━  
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✓ Mini In-Ear Design: Discrete Profile  
✓ Mirror LED Display: Battery Status  
✓ HD Microphone: Clear Call Quality  
✓ Ergonomic Fit: Secure Comfort for Hours  
✓ Universal Compatibility: Works with iOS/Android/PC

━━━━━━ BATTERY & CHARGING ━━━━━━  
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・Earbuds: 4 Hours Continuous Playback  
・Total Usage: 30 Hours Combined  
・Fast Charging: 15 Minutes = 1 Hour Playback  
・Charging Input: 5V/1A (Use Certified Charger)

━━━━━━ WHAT'S INCLUDED ━━━━━━  
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• HIFI Wireless Earbuds (Pair)  
• Charging Case with Mirror Display  
• Type-C Charging Cable  
• User Manual  

✨ PROFESSIONAL SOUND FOR DAILY LIFE ✨  
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"These earbuds deliver exceptional audio quality that surpasses typical wireless earphones, providing rich, detailed sound that brings your music to life while maintaining the convenience of true wireless technology."