Key Features & Specifications:

• Bluetooth Version: 5.3 for fast and stable wireless connectivity.
• Transmission Distance: 10 meters, offering freedom to move.
• Battery Capacity: 400mAh for extended usage.
• Frequency Response: 20Hz~20kHz for rich, detailed sound.
• Sensitivity: 105±3db for clear and dynamic audio.
• Speaker Diameter: 40mm drivers for powerful bass and crisp treble.
• Call Playback Time: Up to 7-10 hours of continuous listening or calls.
• Standby Time: Approximately 120 hours for extended readiness.
• Charging Time: Fully recharges in about 2 hours.
• Built-in Microphone: Yes, for hands-free calls and voice commands.
• Usage Modes:
  • Bluetooth Mode: Seamless wireless connection.
  • TF Card MP3 Mode: Supports cards up to 32GB for offline playback.
• Charging Voltage: 5V-1A for quick and efficient charging.
• Additional Features:
  • Song Switching & Volume Adjustment: Easily manage playback.
  • Call Management: Answer and hang up calls effortlessly.
  • Audio I/O Interface: Supports wired connections when needed.