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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want a rugged, sweat-and-rain-proof cycling companion with a metal frame and the longest rated battery life of the two, choose SilisoundTek Bone Conduction Headphones; if you need built-in 32GB storage so you can ride phone-free and still have music, choose Piegricdiat Bone Conduction Headphones. That is the whole decision in one line, and everything below is just the reasoning behind it — including which one I would actually mount on my bars for a computer-tethered training setup.
• SilisoundTek's biggest strength: a wrap-around titanium alloy frame that bends 360° without deforming, plus a rated 10 hours of playtime and hybrid noise cancellation with a noise-canceling mic.
• SilisoundTek's biggest trade-off: no onboard memory at all — every ride depends on a live Bluetooth link, and the brand itself notes Bluetooth struggles underwater.
• Piegricdiat's biggest strength: a built-in 32GB MP3 player, so you can load songs from your computer and listen with zero phone or connection involved.
• Piegricdiat's biggest trade-off: a shorter 6-hour rated battery life, a plastic build, and no active noise cancellation.
• Who SilisoundTek is for: riders who want the tougher frame, longer runtime and call clarity, and who always have a phone or computer nearby.
• Who Piegricdiat is for: riders who hate carrying a phone, want music loaded straight from a laptop, and treat Bluetooth as a bonus rather than the main event.
The SilisoundTek S800 is built around the idea that your headphones should survive the ride, not just soundtrack it. The frame is titanium alloy and rated to bend 360° without deforming, which matters on a bike — you are pulling them on and off with one hand, stuffing them in a jersey pocket, and occasionally dropping them at a red light. A metal frame that springs back is a genuinely useful trait for cycling earbuds, and it is the single detail I keep coming back to in this spec sheet.
Battery is where SilisoundTek pulls ahead on paper: a 230mAh cell rated for 8–10 hours of continuous music and calls, with a 1.5-hour charge time over a magnetic cable. The IPX8 rating (the listing text also references IP68) covers rain, sweat and hose-downs, though the brand explicitly says it is not for swimming. In my opinion this is the pick for the rider who commutes, trains and takes calls, and who wants one pair to do all of it. Skip it if you want music without a phone — there is no internal storage, so a dead phone means a silent ride.
Piegricdiat Bone Conduction Headphones: Who It's For
The Piegricdiat X16 does one thing the SilisoundTek simply cannot: it holds your music itself. There is 32GB of built-in memory, and the supplied magnetic charging cable doubles as a data cable — plug it into your computer, the headset shows up like a USB flash drive, and you drag your songs across. After that you can ride with nothing in your pockets, no phone, no pairing, no dropouts. For anyone who has ever had a phone die mid-ride or lost signal on a remote loop, that is a real, practical advantage rather than a spec-sheet curiosity.
It also carries an IPX8 deep-waterproof rating and is explicitly pitched at swimming, surfing and snorkeling, with the caveat that it should not stay submerged for more than six hours at a stretch. The open-ear bone conduction design keeps your ears clear so you can hear traffic, and the brand claims whale-cavity stereo surround processing plus a noise-reduction microphone for calls. Comfort is framed around all-day wear without ear-canal soreness.
The honest trade-offs are right there in the data. Battery life is rated at 6 hours — noticeably shorter than the SilisoundTek — and there is no charge-time figure given, so plan on topping it up more often. The enclosure is plastic rather than metal, and noise control is listed as none, so there is no active cancellation to lean on in wind or traffic. Buy it if phone-free listening and the 32GB library are the point. Skip it if you need maximum runtime or take a lot of calls in noisy conditions.
Side-by-Side: Which Should You Choose?
• Best for phone-free rides → Piegricdiat Bone Conduction Headphones, thanks to 32GB of onboard storage you fill from your computer.
• Best for frame durability → SilisoundTek Bone Conduction Headphones, with its 360°-bendable titanium alloy build against a plastic enclosure.
• Best for call clarity → SilisoundTek Bone Conduction Headphones, which pairs a noise-canceling mic with hybrid noise cancellation; the Piegricdiat lists no noise control.
• Best for swimming → Piegricdiat Bone Conduction Headphones, which is explicitly rated for swimming, surfing and snorkeling (SilisoundTek says not for swimming).
• Best for multi-device switching → SilisoundTek Bone Conduction Headphones, since Bluetooth 5.3 multi-pairing lets it hold more than one connection.
• Best for long work or study sessions at a desk → Piegricdiat Bone Conduction Headphones, where the 32GB library keeps audio flowing without tying up your machine — a genuine plus if you want rechargeable open-ear earbuds for a computer that never interrupt your workflow.
• Best for all-day comfort claims → a tie, since both use open-ear bone conduction and neither enters the ear canal.
I would buy the SilisoundTek Bone Conduction Headphones. For cycling earbuds the titanium frame, the 10-hour rating and the multi-pairing Bluetooth 5.3 are the three things I would actually notice on every ride, and the IPX8 rating covers everything short of a pool. The Piegricdiat is the smarter buy if you want to leave your phone at home and load 32GB of music from your computer — that is a genuinely great trick — but its 6-hour battery and plastic build make it the second choice for me. If you split time between a bike and a desk, SilisoundTek's multi-pairing also makes it the easier companion for a computer setup. Check the current price on Amazon before you commit, since that is the one variable I cannot weigh for you.
Both carry an IPX8 waterproof rating, so rain and sweat are covered either way. SilisoundTek adds a titanium alloy frame that resists bending, which I would prefer for the wear-and-tear of daily riding.
Only the Piegricdiat. Its 32GB built-in memory lets you copy songs from a computer and play them in MP3 mode with no phone or Bluetooth involved. The SilisoundTek has no internal storage.
SilisoundTek is rated for 8–10 hours of music and calls from a 230mAh battery, with a 1.5-hour charge time. Piegricdiat is rated at 6 hours, with no charge time specified.
SilisoundTek, in my view, because it pairs a noise-canceling microphone with hybrid noise cancellation and Bluetooth 5.3 multi-pairing that lets it hold connections to more than one device — handy if you bounce between a laptop and a phone.
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