Product Name: Clip-On Open-Back Bluetooth Earphones Material: Titanium Alloy Bluetooth Name: QD-6 Bluetooth Version: Bluetooth 5.3 Bluetooth Transmission Range: 10 meters Carrier Frequency: 2402 GHz 2480 GHz Frequency Response: 20 Hz 20 kHz Speaker Size: 10 mm Earphone Battery Capacity: 3.7 V/25 mAh Charging Case Battery Capacity: 3.7 V/25 mAh Charging Port: USB Type-C Earphone Single-Use Time: Approximately 5 hours Charging Case Charging Time: 1 hour Speaker Sensitivity: 103 dB + 3 dB Features: 1. Non-deformable memory titanium wire Upgraded silicone rubber with adjustable tightness for customizable styling 2. 360° rotatable alloy cap Mini design for a convenient user experience 3. One-Handed Control with Sensitive Buttons Each earphone has separate touch controls for switching songs, answering and ending calls, and activating the voice assistant. Start and stop your music, and we understand your heart. 4. 10mm diaphragm dynamic driver Clear and high-quality sound. 10mm diaphragm dynamic driver delivers balanced full-range listening, powerful bass, clear treble, and delicate vocals. 5. Focused sound, ensuring conversations are private. 25° beam angle effectively reduces sound leakage by 90%. 6. At-a-glance battery status indicator with digital display. 7. Airy and comfortable fit. Silicone design for a skin-friendly fit and adjustable tightness. 8. ENC noise cancellation. Filters out unwanted noise with intelligent noise reduction. 9. Smooth experience. High-end Bluetooth V5.3, connects in one second, and ensures low-latency gaming. 10. Supports a variety of smart devices Bluetooth 5.3 is widely compatible with Apple and Android systems, allowing connection with any Bluetooth device. Colors: Black, White Packaging Dimensions: 12.60*9.60*4cm Packaging Weight: 124g Packaging: Boxed Includes: 1 Bluetooth headset, 1 data cable, 1 instruction manual