The Earfun Uboom Slim ranks #38 out of 136 total Medium Size Portable Bluetooth Speakers for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.
Brand: EarFun
Prices on this page were last checked August 21, 2026 at 5:30 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
As an eBay Partner, we may be compensated if you make a purchase.
#38 Earfun Uboom Slim: $79 eBay
Pros: Excellent pricing, strong waterproof build (IPX7), good battery life (16 hours), smooth sound with volume compensation, speakerphone capability
Cons: Not as deep bass as others. Warm tuned, peaks in the mids and lower treble, rolled off upper treble
How it compares: Just above it: Fugoo Sport - $46 cheaper, 6 fewer hours of battery life. Just below it: Soundcore Motion 100 - $32 cheaper, 4 fewer hours of battery life.
| Bass Extension (-10dB) | ~63Hz |
|---|---|
| Battery Life | 16 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.2 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Drivers | 45mm speaker drivers |
| IP Rating | IPX7 |
| Omnidirectional | No |
| Output Power | 20W |
| Power Input | USB-C |
| Stereo | Yes |
| Weight | 1.2 lbs / 560 g |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons