150 W, IPX7 waterproof
A racetrack woofer handles punchy bass and a dedicated tweeter the crisp highs, for 50 W in all. IPX7 waterproofing means pools, beaches and rain are no worry.
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50 W that shrugs off a dunk-6%CODE26BTS01Mirtune C3 Plus
Tronsmart Mirtune C3 Plus 50W Waterproof Bluetooth Speaker
An IPX7 waterproof portable speaker that delivers 50 W through a racetrack woofer and a dedicated tweeter. Bluetooth 6.0 and Auracast link several speakers, it plays up to 12 hours at 50% volume, and it has a detachable strap.
6%$51.12
Price with code · Geekbuying · as of 2026-10-09Code 26BTS01 · 6% off
max $20 · orders over $50 · until 2026-10-31
2Link several with Auracast
Pair two for true stereo, or link several Auracast-ready Tronsmart speakers. The Tronsmart app lets you tune the EQ to taste.
312 hours, easy to carry
It plays up to 12 hours at 50% volume and charges over USB-C in 4 hours. At 684 g with a detachable strap, it’s easy to take camping or hiking.
Key specs
- Output
- 50 W
- Water resistance
- IPX7
- Bluetooth
- 6.0 · up to 30 m
- Playtime
- Up to 12 h (50% volume)
- Weight
- 684 g
- Ships from
- Poland warehouse
Good pick if
- You listen to music outdoors or near water
- You want to link speakers for bigger sound
Think twice if
- You need a high-res codec such as aptX
FAQ
Is there a promo code?
Yes. Enter 26BTS01 at Geekbuying checkout when buying the Tronsmart Mirtune C3 Plus 50W Waterproof Bluetooth Speaker for 6% off. Conditions: max $20 · orders over $50 · until 2026-10-31.
Can I take calls on it?
It supports the HFP and HSP profiles for calls. The codec is SBC.
What’s in the box?
The speaker, a USB-C charging cable, a lanyard, a manual and a warranty card.
