• With a built-in 10mm high fidelity speaker unit, the drum beats every time, and each unique note is vividly heard
• Using the ENC call noise reduction algorithm to extract clear human voices in real-time and effectively reduce environmental noise
• Bluetooth-compatible 5.3, stronger anti-interference, lower power consumption, high-quality connection, more stable compatibility

Specifications:

• Bluetooth-compatible version: JL 6976D4 V5.3
• Supported protocols: HSP, HFP, A2DP, AVRCP
• Headphone battery capacity: 35mAH*2 (without protection board, headphone board lithium battery protection IC),
• Charging case battery capacity: 300mAh (with protective board)
• Drive unit: φ13mm
• Charging time: 1.5H
• Call duration: 7H
• Play time: 6H
• Speaker sensitivity: 93±3dB
• Speaker impedance: 32Ω
• Input charging standard: DC 5V
• Bluetooth-compatible working frequency: 2.402G-2.480G
• Frequency response range: 20HZ-20000HZ
• Maximum transmission distance: 10M
• Voice prompt: Support
• Multipoint connection: not support
• Wearing method: In-ear
• Interface: TYPE-C
• Waterproof level: IPX6 waterproof and sweatproof (only for headphones, the charging case is not waterproof)
• ENC noise reduction depth (4-mic call noise reduction): >-40dB