King Lucky i121
The redesigned, longer and thinner ear hooks and skin-friendly silicone build provide a secure, pressure-free fit specifically engineered for glasses wearers and small ears. Bluetooth 6.0 connectivity and a 50-hour total battery life with the case ensure a stable, long-lasting wireless experience for all-day use. These IPX5-rated open-ear buds are best for fitness enthusiasts and commuters who prioritize situational awareness and a shake-proof fit during workouts.
form factor open-ear
driver type dynamic
Wireless Yes
bluetooth version 6.0
battery life hours 7
case battery hours 50
water resistance IPX5
62 Overall Score
Price $29
Snapshot
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.
Owner sentiment has improved over time
82/100Our AI sentiment read
Based on 11 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | open-ear |
| Wearing Style | clip-on |
| Weight | 0.1 kg / 0.2 lbs |
Audio
| Driver Type | dynamic |
| Driver Size | 13 |
| Impedance | 16 |
| Codecs | King Lucky Clip-On Earbuds Gen 3, Open-Ear Wireless Bluetooth 6.0 Headphones with Mic, Secure Fit for Small Ears & Glasses Wearers, 50H Playtime, ENC, IPX5 Waterproof Sport Ear Buds (White) |
Noise Control
| ANC | No |
Connectivity
| Wireless | Yes |
| Bluetooth | 6 |
Earbud Battery
| Battery Life | 7 |
| Fast Charging | ✓ |
Case Battery
| Case Battery | 50 |
Microphone
| Microphone | Yes |
| Mic Count | 2 |
| NC Mic | Yes |
Features
| Touch Controls | Yes |
| Bone Conduction | No |
| Water Resistance | IPX5 |
vs Competition
| Spec | King Lucky i121 | Samsung Galaxy Buds3 Pro | Sony WF-C700N WFC700N/B | Soundcore P31i | EarFun Air Pro 4+ | Anker Space A40 A3936 |
|---|---|---|---|---|---|---|
| Form Factor | open-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | hybrid | dynamic |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Bluetooth Version | 6.0 | 5.4 | 5.2 | 6.0 | 6.0 | 5.2 |
| Battery Life Hours | 7 | 6 | 15 | 10 | 12 | 10 |
| Case Battery Hours | 50 | 26 | 15 | 50 | 54 | 50 |
| Water Resistance | IPX5 | IP57 | IPX4 | IP55 | IP55 | IPX4 |
| Multipoint | - | true | true | - | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| King Lucky i121 | 31.8 | 83.9 | 91.9 | 61.3 | 90.1 | 73.8 | 64.8 | 69.6 | 73.1 |
| Samsung Galaxy Buds3 Pro Compare | 97.4 | 97.5 | 98.9 | 93.5 | 76.9 | 94.7 | 79.9 | 99.7 | 90.3 |
| Sony WF-C700N WFC700N/B Compare | 97.4 | 83.9 | 81.4 | 82.9 | 82 | 73.8 | 97.2 | 89.9 | 73.1 |
| Soundcore P31i Compare | 90.6 | 97.5 | 91.9 | 97.4 | 94.2 | 73.8 | 97.2 | 87.5 | 90.3 |
| EarFun Air Pro 4+ Compare | 97.4 | 97.5 | 91.9 | 99.8 | 96 | 73.8 | 97.2 | 99.4 | 90.3 |
| Anker Space A40 A3936 Compare | 97.4 | 97.5 | 81.4 | 94.9 | 94.2 | 73.8 | 79.9 | 97.4 | 73.1 |
Price
Value & Pricing
From $29
