Callmate Atom 121 True Wireless Earbuds vs pTron Bassbuds Duo True Wireless Earbuds
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General
| Brand | Callmate | pTron |
| Model | Atom 121 | Bassbuds Duo |
| Design | TWS Earbuds | TWS Earbuds |
| Type | In the Ear | In the Ear |
| Connectivity | Wireless | Wireless |
Features
| Bluetooth | Yes, 5.3 | Yes, 5.1 |
| Bluetooth Range | 10 m | 10 m |
| USB | Yes | Yes |
| Microphone | Yes | Yes |
| Voice Assistant | Yes | Yes |
| Water Resistant | Yes | |
| Monaural | Yes | |
| Controls | Touch Control | Touch Control |
| Switch between Call and Music | Yes | Yes |
| Additional Features | Type-C Charging, LED Indicator | IPX4 Rated, TWS, Type-C Fast Charging, LED Indicator |
Sound Features
| Deep Bass | Yes | Yes |
| Frequency Response | 20 Hz (Min) - 20 kHz (Max) | 20 Hz (Min) - 20 kHz (Max) |
| Driver Unit | 10 mm | 13 mm |
| Driver Type | Dynamic | Dynamic |
| Noise Reduction | Passive Noise Cancellation |
Extra
| Sales Package | 1 Pair of Earbuds, Charging Case, Charging Cable, User Manual | 1 U Earbuds, Charging Case, Charging Cable, User Manual |
Power Features
| Battery Capacity | 300 mAh (Case), 40 mAh Per Earbud | 300 mAh (Case) |
| Battery Life | 20 hours (With Case) 4 hours (Earbuds) | 32 hours (With Case) |
| Charging Time | 1 hour (Case) | 1 hour (Case) |
Warranty
| Warranty | 6 months | 1 year |
| Warranty Type | Manufacturer | Manufacturer |
| Covered in Warranty | Manufacturing Defect | Manufacturing Defect |
| Not Covered in Warranty | Physical Damage | Physical Damage |
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