• Ergonomic Open-Ear Design: Designed with an ergonomic open-ear structure, these headphones provide a comfortable wearing experience for extended use
• High-Quality Stereo Sound & Clear Calls: Enjoy pure stereo sound and crystal-clear call quality, making these headphones ideal for both music and communication
• IPX5 Waterproof Protection: Built with an IPX5 waterproof rating, these headphones are resistant to water and sweat, perfect for workouts and outdoor activities
• Long Battery Life: Offers up to 30 hours of continuous usage when combined with the charging case, ensuring long-lasting performance throughout the day
• Advanced Open-Air Speaker Technology: Features open-air ring speakers with surface electroplating technology and PCBA glue filling for enhanced durability and sound quality

Specification:

• Material: PC + ABS
• Frequency Response: 50Hz-10kHz
• Bluetooth-compatible Version: AD7003D4 V5.4
• Bluetooth-compatible Protocol: HSF, HSP, HPF, A2DP, AVRCP
• Bluetooth-compatible Distance: ≤10M (depends on phone capability)
• Wearing Style: Open-ear hook
• Music/Call Time: Approx. 6 hours
• Earphone Battery Capacity: DC 3.7V / 50mAh
• Charging Case Capacity: DC 3.7V / 400mAh
• Speaker Size: 15x11mm
• Speaker Impedance: 16Ω ±15%
• Microphone Sensitivity: -42 ± 2dB
• Charging Port: Type-C