5Pcs GY-213V-SI7021 Si7021 3.3V High Precision Humidity Sensor with I2C Interface Geekcreit for Arduino - products that work with official Arduino boards Activewear Features adjustable headband that provides

Features adjustable headband that provides a secure fit for active music listening

** Each Drive includes the memory size you select

The led using the gradual changing brightness instead of directly light up

then turn Bluetooth mode when unplugged

Charges fully in Sunlight in 6 hours or by AC in 2 hours

5Pcs GY-213V-SI7021 Si7021 3.3V High Precision Humidity Sensor with I2C Interface Geekcreit for Arduino - products that work with official Arduino boards Activewear Features adjustable headband that providesFeature: Operating voltage: 1. 9 3. 6V (3. 3V recommended)Standby current: 60nATemperature range: 40 to 85 C ( 10 to 60 C is recommended)Temperature accuracy: 0. 4 ( 10 to 85 )Humidity range: 0 100% RH (20% 80% RH recommended)Humidity accuracy: 3% RH (0 80% RH)Temperature conversion time: 7msHumidity conversion time: 17ms (for humidity conversion will automatically be temperature conversion)Interface type: I2C 2. 54mm pitch padPackage includes: 5 x