Xiaomi Piston Type-C Earphones with Mic – Black

USB-C · Built-in Decoding Chip

Why USB-C Earphones Need Their Own Chip

A 3.5mm headphone jack outputs an analogue audio signal — the phone has already converted the music into the electrical waveform that drives the speakers. A USB-C port does not work that way. It sends digital data, and something has to turn that data into sound. On phones without a headphone jack, that job moves into the earphones themselves, and the Xiaomi Piston Type-C carries a decoding chip in the plug for exactly this reason. The practical effect is simple: you plug the earphones into the charging port and they work, with no adapter in between. It also means the sound is not dependent on the quality of a phone’s own audio circuitry. One consequence worth knowing is that you cannot charge the phone and use these earphones at the same time through a single port, since both need the USB-C socket. If you listen for long periods on a low battery, that is the one trade-off against a wireless or jack-based alternative.

Piston Housing · Metal Diaphragm

The Shape That Made the Piston Famous

The Piston name comes from the housing — a short metal cylinder that looks like an engine piston, with the sound nozzle set at an angle so it points into the ear canal rather than straight at the side of the head. That angle is what makes the fit feel secure without pushing the ear tip deep into the ear, and it is why Pistons stay in place while walking. The metal body gives the earphones a solid, slightly weighty feel compared with all-plastic earphones at the same price, and it resists the scuffing that makes cheap earphones look worn within weeks. Inside, the box lists a metal composite diaphragm — a stiffer driver membrane that holds its shape better at higher volumes, which helps the sound stay clear rather than muddy when you turn it up on a train. The sound is tuned the way Pistons are known for: full, present bass without drowning the vocals. Getting the ear tip size right makes the biggest single difference to both comfort and bass — if the low end sounds thin, try a larger tip for a better seal.

In-Line Remote · Microphone

Calls and Control Without the Phone

A small remote sits on the cable below the right earpiece, with a single control button and a built-in microphone. One press answers or ends a call and plays or pauses music, so you can take a call with the phone still in your pocket or bag. The microphone sits at roughly mouth height on the cable, which picks up your voice more clearly than a phone’s own microphone held away from your face. As with any wired earphones, button behaviour depends on the phone: the answer, end and play/pause functions are the ones that work reliably across Android devices, and the exact actions can vary from one model to another. The cable itself is a simple round design that coils easily into a pocket. There is nothing to charge and nothing to pair — plug in and the earphones are ready, which is still the most dependable way to listen when a wireless battery would already have run flat.

Right choice if you…

✔ Have a phone without a headphone jack and are tired of losing the adapter
✔ Want a spare pair for the bag, the car or the office at a low price
✔ Prefer earphones that never need charging or pairing
✔ Use a Xiaomi, Redmi or POCO phone and want Xiaomi’s own earphones

Consider something else if…

✘ Your device has a 3.5mm headphone jack instead of USB-C — the Xiaomi Piston 3 with a 3.5mm plug fits it directly
✘ You need to charge the phone while listening — both use the same USB-C port
✘ You want noise cancellation — these isolate passively through the ear tips only

Xiaomi Piston Type-C Earphones — Technical Specifications

In the Box

Frequently Asked Questions

Will these work with my phone?

They work with phones and tablets that have a USB-C port and support USB-C digital audio, which covers the great majority of current Android phones, including Xiaomi, Redmi and POCO models. They will not work with a device that only has a 3.5mm headphone jack or a Lightning port. If your phone has a 3.5mm jack, the Xiaomi Piston 3 with a 3.5mm plug is the right choice.

Do I need an adapter?

No. The plug is USB-C and the decoding chip that converts the digital signal into sound is built into the earphones, so they plug straight into the phone’s charging port with nothing in between.

Can I charge my phone while using them?

Not through a single port — the earphones and the charger both use the USB-C socket. If you need to do both, a USB-C splitter adapter or a wireless charger solves it.

What does the button on the cable do?

A single press answers or ends a call and plays or pauses music. The microphone next to it picks up your voice for calls. Exact button behaviour can vary slightly between phone models.

How is this different from the Xiaomi Piston 3?

The main difference is the plug. The Piston 3 uses a 3.5mm headphone jack; this Piston Type-C uses USB-C with a built-in decoding chip for phones that have no headphone jack. Choose by the socket on your device.

Condition

Brand New — Sealed Retail Packaging

Warranty

Manufacturer warranty (Xiaomi)

Delivery

5–6 Working Days · Fully Tracked

Also Available at maibo