The MKTEL S21 Feature Phone is ideal for seniors, offering simplicity and essential functionality. This dual SIM device features a 1.77" screen and a detachable 800mAh battery for extended usage. With a loud speaker for clear audio, built-in MP3 and MP4 support, and FM radio access, stay connected and entertained effortlessly.

Key Specifications:
- Screen Size: 1.77"
- Battery Capacity: 800mAh
- SIM Card Quantity: 2
- Charging Interface: Micro USB
- Language Support: English, French, Spanish, Portuguese