HTC and Under Armour at Mobile World Congress 2015 announced the HTC Grip fitness tracking wearable. It's a rubberized bracelet that connects to the UA Record app to help track, analyze and share your workout routine.

And these are the technical specs of the HTC Grip:

Category Features
Small 51.9 x 68.2 x 22.5 mm
, Inner circumference: 145.54mm
Medium 60.98 x 74.57 x 22.5 mm, 
Inner circumference: 169.76mm
Large 68.92 x 85.24 x 22.5 mm, 
Inner circumference: 199.51mm
Display 1.8-inch inch 32 x 160 PMOLED mono flexible display with capacitive touch
Platform RTOS
Processor STM32L151QDH6
Memory 16MB Flash, 8MB SRAM
Battery 100 mAh rechargeable battery
2.5 days battery life or 5 hours w/GPS activated
Sensors Sensor Hub (STM32F411), G-sensor, Gyro, Compass, GPS, Light sensor
Connectivity BLE (Bluetooth 3.0 and 4.0), USB charging cable
Other Vibration notifications, IP57 Dust & Water Resistant, Shock Resistant (compliant with MIL-STD-810G 516.6 Procedure I, IV)