The HH400 are innovative sound gadgets by HH TELECOM that combine cutting-edge technology with an exceptional listening experience. This article has been designed to redefine the way we enjoy sound, whether it's for music, movies, or communication. Here are some key features and characteristics:

Key Feature:

• With Active Noise Cancellation (ANC)
• With Hanging strip
• Version: V5.1+EDR
• Power input: 5V-1A
• Driving unit: 10mm
• Sensitivity: 120+ 5dB
• Frequency response: 20-20000 Hz
• Charging time: 1.5H
• Battery power of earphones: 40mAh + 2
• Charging compartment battery: 200mAh
• Standby time: 160Hrs
• Talk time: 4hours*4
• Music time: 4hours"4
• Signal distance: 10M

Characteristics :

• Wireless 5.1 inner dual-core, separate chips for left and right ears, enhance transmission connection stability
• 400mAh large-capacity charging case, endurance upgrade 40%
• 13mm large dynamic speaker, widens the sound field, brings HIFI bass effect
• Support wired/wireless dual charging
• Double audio sharing, Main-secondary switching, left and right switching
• In-ear detection can be turned off at will, long press to turn on/off