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Category Specification
Headphones Dimension195*205*50mm
Headphones Net Weight204g
USB PortUSB-C
Headphones Battery500mAh
Charging Time2h
Input Voltage/Current5V/500mA
Play Time with ANC OFF80h (60% vol.)
Play Time with ANC ON50h (60% vol.)
Bluetooth VersionV5.4
Wireless Working Range10m (without obstacles)
Speaker SizeØ40mm*2
Speaker Frequency20Hz~20kHz
Q
Is the H668BT headphones compatible with both my iPhone and Windows laptop for switching between calls and music?
A
Yes—this headset supports multi-point connectivity, allowing you to pair two devices simultaneously without re-pairing each time. You can take a call on your iPhone while seamlessly switching to a video conference on your Windows laptop or Spotify playlist on your tablet—the connection handles it all without missing a beat.
Q
How long can I actually use these headphones on a single charge before they need plugging in?
A
The battery is seriously impressive—you're looking at up to 80 hours of playback with ANC turned off at moderate volume, which easily covers a full work week plus some. Even with active noise cancellation engaged, you still get around 50 hours. And if you do run low? Just quick-charge for 5 minutes via USB-C and you'll have about 5 more hours of listening ready to go.
Q
Are these comfortable enough to wear all day at work or during long flights?
A
At just 204 grams, these are noticeably lightweight—you almost forget you're wearing them. The U-shaped headband distributes weight evenly across your skull while the ear cups have enough cushioning for extended sessions without that clamped-head feeling we've all experienced with heavier cans.
Q
Will these block out enough background noise on my commute or noisy office?
A
The active noise cancellation does exactly what it's supposed to—it intelligently monitors ambient sound and generates inverse frequencies to cancel out background chatter or transit rumble before it reaches your ears so you can actually hear your music or podcasts without cranking the volume beyond safe levels.
Q
Can I customize how these sound or adjust settings like gaming mode?
A
Absolutely—the dedicated app gives you control over six different EQ presets depending on what you're listening to (bass boost for music, flat for podcasts), full control over ANC modes (on/off/transparency), plus a low-latency gaming mode that keeps audio synced when you're playing mobile games or watching videos where lag would ruin the experience.