Noise 4 Wireless Headphones vs Boult Audio Flex Wireless Headphones
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General
| Brand | Noise | Boult Audio |
| Model | Airwave Max 4 | Flex |
| Design | Headphone | Headphone |
| Type | Over the Ear | Over the Ear |
| Connectivity | Wireless | Wireless |
Design and Body
| Weight | 288 g | |
| Foldable | Yes |
Features
| Bluetooth | Yes, 5.4 | Yes, 5.4 |
| Bluetooth Range | 10 m | 10 m |
| USB | Yes | Yes |
| Microphone | Yes | Yes |
| Voice Assistant | Yes | Yes |
| Water Resistant | Yes | Yes |
| Controls | Button Control | Multi Functional Button |
| Music Controls | Pause/Play | |
| Call Controls | Accept/Reject Calls | |
| Switch between Call and Music | Yes | Yes |
| Additional Features | IPX5 Rated, Type-C Charging, Dual Device Connectivity, 40ms Low Latency, Auto Pairing | IPX5 Rated, Type-C Fast Charging, 60ms Low Latency Gaming Mode, 4 EQ Modes, Height Adjustable Headband |
Sound Features
| Deep Bass | Yes | Yes |
| Frequency Response | 20 Hz (Min) - 20 kHz (Max) | 20 Hz (Min) - 20 kHz (Max) |
| Driver Unit | 40 mm | 40 mm |
| Driver Type | Dynamic | Bass Boosted Driver |
| Environmental Noise Cancellation | Yes, AI ENC | Yes |
| Other Features | Spatial Audio |
Extra
| Sales Package | 1 U Headphone, Charging Cable, Aux Cable, User Manual, Warranty Card | 1 U Headphones, Charging Cable, User Manual |
| Inline Remote | Yes | Yes |
Power Features
| Battery | 10 min Charge= 300 min Playtime | 10 min Charge= 5 hrs Playtime |
| Battery Life | 70 hours | 80 hours |
| Charging Time | 2 hours |
Warranty
| Warranty | 1 year, Warranty from the Date of Purchase | 1 year |
| Warranty Type | Manufacturer | Manufacturer |
| Covered in Warranty | Warranty is Applicable on Manufacturing Defects for all the Products for 1 Year and Accessories (If any) for 3 Months from the Date of Purchase. | Manufacturing Defect |
| Not Covered in Warranty | Unauthorized Tampering, Modification or Repairs, Physical Damage, Water Logging or any other Damage Due to Heat, Humidity or Moisture doing Operations. | Physical Damage |
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