In xiaomi redmi 3s prime it has 3.5mm jackand active noise cancellation with dedicated mic and loudspeaker and also alert type system like vibration, mp3, wav ringtone etc . the Xiaomi Redmi 3S Prime is quite a feature packed . The processor can however, handle more casual games and everyday tasks with ease. Everyday usage and even multitasking was a no biggie since it packs. it keeps very good looks and comes in differnt colour like golden, silver, and more . it has full metalic body and dimensions are 139.369.68.5mm, weight is 144g, and sim slaut is micro/nano dual stand . their are so much range of features like it has platform of os- 6.0.1 marshmallow, cpu- octa-core 1.4 GHz processore are 430 snapdragon and memory- 32GB internal space and 3GB ram . battery is 4100mAh li-lon which is very good and most importent part is it camera is which is primary is 13MP and scondary is 5MP which is not impressive as . Now its value is 8, 999 guys this is nice phone I use this phone since 4 month os go and check it . thankyou