• Stable Bluetooth-compatible 5.3: Experience a stable and reliable wireless connection with Bluetooth-compatible 5.3 technology
• Wireless Noise Cancellation: Enjoy enhanced noise reduction with ENC support in these wireless earbuds
• Built-in Microphone: Stay connected and make clear calls with the integrated microphone in these Bluetooth-compatible earphones
• High-Fidelity Stereo Sound: Immerse yourself in high-quality, true stereo sound for a superior listening experience
• Perfect for Active Lifestyles: Designed for sports and active use, these wireless earphones provide both comfort and performance

Specifications:

• Bluetooth-compatible Version: V5.3 JL AC6973D4
• Supported Protocols: A2DP, HFP, AVRCP
• Earphone Battery Capacity: 30mAh x 2 (Battery without protection board, earphones equipped with lithium battery protection IC)
• Charging Case Battery Capacity: 300mAh (With protection board)
• Charging Time: 1.5 hours
• Talk Time: 4.5 hours
• Playback Time: 8 hours
• Total Play Time: 20 hours (with Charging Case)
• Standby Time: 300 hours
• Horn: ∮10mm (Titanium-Plated)
• Horn Sensitivity: 97±3dB
• Horn Impedance: 16Ω ± 15%, at 1KHz 
• Mic Sensitivity: -39dB ±2
• Mic Impedance: 150Ω
• Maximum Transmission Distance: 10 meters
• Frequency Range: 100KHz-5KHz
• Voice Prompts: Supported
• Multi-Device Pairing: Not supported
• Wearing Style: In-ear
• Interface: Type-C
• Water Resistance Rating: IPX5
• ENC Noise Cancellation Depth (4-microphone call noise reduction): >-35d