
Cambridge SoundWorks OontZ Ultra
Score: 83/100
Bose SoundLink Micro Blue
Score: 77/100Rankings

The OontZ Ultra delivers 14 W of sound, 20-hour battery life and IPX7 waterproofing with true wireless stereo capability. Android latency and distortion at max volume are notable drawbacks. Perfect for users seeking a compact, waterproof speaker with long playtime and TWS pairing.

The Bose SoundLink Micro is an ultra-compact, rugged Bluetooth speaker offering up to 12 hours of playback and IP67 protection. Its modest volume and occasional Bluetooth range hiccups limit it to personal listening scenarios. Ideal for solo travelers and hikers who prioritize portability and durability.
| Attribute | ![]() | ![]() |
|---|---|---|
20 hoursbest | 12 hours | |
| ↓ lower better | 480 g | 340 gbest |
14 Wbest | — | |
30.5 mbest | 9 m | |
| ↓ lower better | — | 240 minutesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Battery & Power(1) | ||
Battery Life (hours) | 20 hours | 12 hours |
Connectivity(2) | ||
Bluetooth Version | 5.0 | 4.2 |
Bluetooth Range (m) | 30.5 m | 9 m |
Build & Design(3) | ||
Weight (g) | 480 g | 340 g |
Dimensions (H×W×D) (mm) | 71.1×71.1×165.1 mm | 98.3×98.3×34.8 mm mm |
IP Rating | IPX7 | IP67 |

Products in the top-left offer the best value (high score, low price).

Professional reviewers rate the OontZ Angle 3 Ultra highly for its portability, robust IPX7 waterproofing, long battery life, and surprisingly powerful 14 W sound output. They commend its accurate frequency response and reliable 100-foot Bluetooth range, while noting the higher latency on Android devices and the absence of multi-device pairing as the main technical shortcomings.
Everyday users consistently praise the speaker's loud, bass-rich audio, long battery life, and waterproof durability, describing it as an excellent value for outdoor and casual indoor listening. Recurring complaints focus on distortion at max volume, occasional Bluetooth dropouts beyond 30 ft, and limited controls on the secondary TWS unit.

“one of the best sounding under $40... EVER!”



Professional reviewers commend the SoundLink Micro for its rugged IP67 build, ultra-portable form factor, and low Bluetooth latency, noting it excels as a personal outdoor companion. However, they criticize its limited volume output and lack of a built-in voice assistant, which restrict its usefulness in larger or smart-assistant-driven scenarios.
Everyday users love the speaker's tiny size, strap attachment, and durability, often highlighting its ability to survive drops and water exposure while delivering surprisingly good bass. Common complaints revolve around a shorter-than-advertised battery life at high volume, insufficient loudness for group use, and occasional Bluetooth range hiccups.