Boult Audio K40 True Wireless Earbuds vs Hammer Airflow Go True Wireless Earbuds
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General
| Brand | Boult Audio | Hammer |
| Model | K40 | Airflow Go |
| Design | TWS Earbuds | TWS Earbuds |
| Type | In the Ear | In the Ear |
| Connectivity | Wireless | Wireless |
Features
| Bluetooth | Yes, 5.3 | Yes, 6.0 |
| Bluetooth Range | 10 m | 10 m |
| USB | Yes | Yes |
| Microphone | Yes, Quad ENC mic | Yes |
| Voice Assistant | Yes, Ok Google/Hey Siri | Yes |
| Water Resistant | Yes | Yes |
| Monaural | Yes | |
| Controls | Touch | Touch Control |
| Music Controls | Pause/Play | Play/Pause |
| Call Controls | Accept/Reject calls | Answer/End calls |
| Switch between Call and Music | Yes | Yes |
| Additional Features | IPX5 Rated, 45ms Ultra-Low Latency Gaming Mode, Type-C Charging, LED Indicator | Type-C Charging, 40ms Ultra Low Latency, LED Indicator |
Sound Features
| Deep Bass | Yes | Yes |
| Frequency Response | 20 Hz (Min) - 20 kHz (Max) | 20 Hz (Min) - 20 kHz (Max) |
| Driver Unit | 13 mm | 13 mm |
| Driver Type | BoomX Tech Driver | Titanium |
| Environmental Noise Cancellation | Yes | Yes |
Extra
| Sales Package | 1 Pair of Earbuds, Charging Case, Charging Cable, Warranty Card, Additional Pair of Ear Tips | 1 Pair of Earbuds, Charging Case, USB Charging Cable, User Manual |
Power Features
| Battery Life | 48 hours (With Case) 7 hours (Earbuds) | 80 hours (With Case) 6 hours (Earbuds) |
| Charging Time | 1.5 hours (Case) | |
| Stand-by Time | 120 hours |
Warranty
| Warranty | 1 year, Warranty from the Date of Purchase | 6 months |
| Warranty Type | Manufacturer | Manufacturer |
| Covered in Warranty | Manufacturing Defects | Manufacturing Defects |
| Not Covered in Warranty | Physical Damages | Any Accidental Damage |
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