Texas Instruments TI-89 Titanium Graphing Calculator No Restock Active Noise Cancellation: Up to

Active Noise Cancellation: Up to 40 dB noise cancelling with 2 modes - Faint (+/- 25dB) & Extreme (+/- 40 dB) through manual adjustment via OnePlus mobile or HeyMelody App

our fast-charge feature gives you 5hrs playtime in 10 minutes so you can power up on the go

Manual*1 Manufacturer ‎Anhui Huami Information Technology Co

set timers and add to your to-do lists

8MP rear camera with AF and flash

Texas Instruments TI-89 Titanium Graphing Calculator No Restock Active Noise Cancellation: Up toFeatures 2. 7 MB ROM memory for data archive and storage of Apps. 188 KB of available RAM memory Icon desktop that allows easier access to apps and editors USB port for computer connectivity, unit to unit communication with TI 89 Titanium graphing calculators via presentation link adapter Advanced mathematics software functionality is suitable for college mathematics and engineering coursework Symbolic manipulation for algebra, calculus and