Blue Microphones X9
Bluetooth 5.3 and a massive 48-hour case battery life set this apart for extended use away from power. The lightweight 4.6g earbuds feature an ergonomic, waterproof design with nanotechnology coating to withstand sweat and rain during workouts. These are best for budget-conscious runners and gym-goers who prioritize all-day battery endurance and a secure fit over call quality.
Snapshot
Pros & Cons
Pros
- Strong battery (76th percentile) 76th
- Strong connectivity (74th percentile) 74th
- Strong comfort (71th percentile) 71th
- Strong anc (70th percentile) 70th
Cons
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews — so you can see whether early praise held up.
Based on 6 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | in-ear |
| Wearing Style | true wireless |
| Weight | 0.1 kg / 0.1 lbs |
Audio
| Hi-Res Audio | Yes |
| Codecs | X9 Wireless Earbuds Bluetooth 5.3 Headphones Waterproof Stereo Earphones in Ear Touch Control with Microphone Headset with Deep Bass for Sport, Gaming and Running(Blue) |
Noise Control
| ANC | Yes |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.3 |
Earbud Battery
| Battery Life | 6 |
Case Battery
| Case Battery | 48 |
Microphone
| Microphone | Yes |
| NC Mic | Yes |
Features
| Touch Controls | Yes |
| Gaming Mode | Yes |
| Water Resistance | Waterproof |
vs Competition
| Spec | Blue Microphones X9 | Soundcore Soundcore P31i | EarFun Air Pro Air Pro 4i | Nothing Buds Buds 2 | Baseus Bass BP1 Pro | TOZO Crystal Pods Crystal Pods |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | - | Dynamic Driver | dynamic | dynamic | dynamic | dynamic |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | true | true | true | true | true | true |
| Bluetooth Version | 5.3 | 6.1 | 5.4 | 5.4 | 6.0 | 5.4 |
| Battery Life Hours | 6 | 10 | 9.5 | 13.5 | 12 | 7 |
| Case Battery Hours | 48 | 50 | 40 | 55 | 55 | 35 |
| Water Resistance | Waterproof | IP55 | IP55 | IP55 | IP55 | IPX5 |
| Multipoint | - | - | true | false | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|
| Blue Microphones X9 | 70.4 | 65.3 | 69.7 | 69.8 | 75.5 | 73.6 | 57 |
| Soundcore Soundcore P31i Compare | 88.3 | 96.8 | 91 | 96.6 | 93.9 | 84.6 | 86.1 |
| EarFun Air Pro Air Pro 4i Compare | 88.3 | 96.8 | 91 | 87.5 | 86.2 | 92.5 | 99.1 |
| Nothing Buds Buds 2 Compare | 91.9 | 96.8 | 91 | 67.6 | 96.3 | 86.5 | 86.1 |
| Baseus Bass BP1 Pro Compare | 96.7 | 96.8 | 91 | 87 | 95.9 | 98.4 | 74.6 |
| TOZO Crystal Pods Crystal Pods Compare | 91.9 | 90 | 91 | 89.2 | 82.7 | 92.5 | 74.6 |
Price
Value & Pricing
Amazon 1 offers From $14
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.