• Advanced and stable Bluetooth-compatible 5.3 technology: Supports HSP, HFP, A2DP and AVRCP, greatly improves the transmission speed, provides you with a low-latency listening experience, provides you with an uninterrupted call and music experience, and ENC intelligent noise reduction technology
• High-fidelity stereo sound, long battery life: Adopts 13mm speakers and three-layer composite diaphragms to enhance the sound quality with high-fidelity stereo, allowing ears to enjoy the best state. Each earbud's built-in microphone adopts a call noise cancellation function to ensure clear and realistic sound. A single charge can provide you with 6-8 hours of music playback time, and the charging box can provide you with 48 hours of music playback time
• Game mode or music mode: Game/Music sensitive switching, in game mode, it can accurately capture footsteps/gunshots/car sounds, quickly kill enemies in battle, let you immerse yourself in the game scene, double the gaming experience, with IPX6 waterproof and sweat-proof nano-coating, easily protect the Bluetooth-compatible headset from heavy rain or sweat during intense exercise and all-weather conditions
• One-step pairing: Open the charging bin after the first connection, these wireless Bluetooth-compatible headsets can connect to your Bluetooth-enabled device, connect faster and more conveniently turn on/off music, adjust volume, make phone calls, wake up voice assistants, etc.
• Ergonomic design, safe to wear: soft earbud covers, no pressure to wear. The ergonomic design provides a comfortable and secure fit that does not protrude from the ears, especially suitable for sports, exercise and gym. It is also a good gift choice

Specification:

• Bluetooth-compatible version: V5.3 (JL 6973D4)
• Supported protocols: A2DP/AVCTP/AVDTP/AVRCP/HFP/SPP/SMP/ATT/GAP/GATT/RFCOMM/SDP/L2CAP PROFILE
• Battery capacity: Earphone: 35mAh*2 (without protection board, headphone board lithium battery protection IC); Charging bin: 300mAh (with protection board)
• Driver unit: 13mm diameter
• Charging time: about 1h
• Talk time: 5h
• Play time: 6h
• Standby time: 300h
• Speaker sensitivity: 115dB±3dB at 1KHz
• Speaker impedance: 32Ω±15% at 1000Hz
• Microphone sensitivity: -38±1dB @1KHz 1Pa
• Frequency response range: 20-20KHz
• Bandwidth: 100KHz-5KHz
• Impedance: 200Ω
• Input charging: DC 5V
• Frequency response range: 2.4GHz
• Maximum transmission distance: 10m
• Voice prompt: Support
• Multi-point connection: Not support
• Wearing method: In-ear
• Instructions: Chinese and English
• Interface: Type-C
• Waterproof level: IPX5
• ENC noise reduction depth (4-microphone call noise reduction): >-35dB