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🎧 Elevate your sound game with Boult K40 — where endurance meets precision.
Boult Audio K40 True Wireless Earbuds combine a powerful 48-hour battery life with 45ms low latency for gaming, 4 ENC mics for crystal-clear calls, and 13mm bass drivers for immersive sound. Featuring Type-C fast charging, premium ergonomic grip, IPX5 water resistance, and Bluetooth 5.3, these earbuds are crafted in India to deliver professional-grade audio performance and comfort for the modern multitasker.
| ASIN | B0CTCWQLLP |
| Age Range Description | Adult |
| Antenna Location | Calling, Cycling, Exercising, Gaming, Motorcycling, Skateboarding, Workout |
| Audio Driver Size | 13 Millimetres |
| Audio Driver Type | Dynamic Driver |
| Audio Latency | 45 Milliseconds |
| Battery Average Life | 48 Hours |
| Battery Charge Time | 100 minutes |
| Best Sellers Rank | 1,632 in In-Ear Headphones |
| Bluetooth Range | 10 Metres |
| Bluetooth Version | 5.3 |
| Box Contents | Extra Pair of Eartips, Type-C Fast Charging Cable, User Manual, Warranty Card, Wireless Charging Case |
| Brand | GOBOULT |
| Brand Name | GOBOULT |
| Cable Features | Type-C Fast Charging Cable |
| Carrying Case Battery Average Life | 48 Hours |
| Carrying Case Battery Charging Time | 100 Minutes |
| Carrying Case Color | Denim Blue |
| Carrying Case Height | 45 Millimetres |
| Carrying Case Length | 62 Millimetres |
| Carrying Case Material | plastic |
| Carrying Case Weight | 35.9 Grams |
| Carrying Case Width | 24 Millimetres |
| Colour | K40 Denim Blue |
| Compatible Devices | Cellphones, Desktops, Gaming Consoles, Laptops, Tablets |
| Control Method | Touch |
| Control Type | Voice Control |
| Controller Type | Google Assistant |
| Customer Package Type | Protective Packaging |
| Customer Reviews | 4.0 out of 5 stars 5,447 Reviews |
| Ear placement | In Ear |
| Earpiece Shape | Bud |
| Enclosure Material | Rubber |
| Form factor | In Ear |
| Frequency Range | 20 Hz - 20,000 Hz |
| Frequency Response | 20 Hz |
| Headphone Form Factor | In Ear |
| Headphone Jack | Type-C Fast Charging Jack |
| Headphones Ear Placement | In Ear |
| Impedance | 32 Ohms |
| Item Type Name | True Wireless in ear earbuds |
| Item Weight | 35.9 Grams |
| Manufacturer | Boult Audio |
| Model Name | Airbass |
| Model Number | Airbass |
| Network Connectivity Technology | Bluetooth, Wireless |
| Noise Control | Passive Noise Cancellation |
| Noise control | Passive Noise Cancellation |
| Number of Items | 1 |
| Product Features | 13mm Bass Drivers, 4 ENC Calling Mics, 45ms Low Latency Gaming, 48H Playtime, Crafted in India earbuds, Fast Charging, Lightweight, Microphone Included, Noise Cancellation, Sweatproof, Touch Control |
| Sensitivity | 115 dB |
| Specific Uses For Product | Entertainment, Gaming, Professional |
| Style Name | Functional, Resistance, Craftsman, Standard, Seamless |
| Total USB 2.0 Ports | 1 |
| Water Resistance Level | Water Resistant |
| Wireless Technology Type | Bluetooth |
L**S
Decent purchase
Battery life is decent. Sound quality is excellent. Noise cancellation for such a small ear bud is amazing.
C**N
Great value earbuds
I've had several different brands of earbuds, these hold a place of their own. Firstly: Their battery life will last forever many hours. I've used them upwards of 7 hours straight without dying. The case power life can go days without needing to recharge from multiple uses. Sound quality isn't quite BOSE but does deliver clear quality. One downside in my opinion, although given various size rubber ear cones I struggle to find one comfortable to fit my ear, maybe the shape, or maybe my ears. All in all excellent value for the price.
K**S
5 stars.
Great sound quality, long lasting battery, easy to charge, great quality and comes with spare ear buds. Easy to connect, and just overall great! Definitely worth buying.
C**W
Good but breaks quick (my experience)
Broke within 1 week of owning it the were good, had good sound and good bass but just stopped working even at full charge…..
J**F
Quality earbuds
Best earbuds I've ever bought. Great value for money
R**S
Actually very high quality
Genuinely best headphones ive bought for this price. Way too cheap for how good they are. I wouldn't buy them for £50 but for £10 they were actually a steal.
I**.
Amazing!
The bass is pretty good it’s good
S**E
BOULT EARBUDS
They are not the best sounding Earbuds, but you can't expect anything more than average for the Price, I just bought them as secondary to my Airpods Pro and my JBLs. But glad I bought them to run around use.