NO.1 F13 Smart Watch Real-time Heart Rate Monitor Outdoor Wristband - Green 3D Printer & Supplies html Other Features Uses Makerduino

html Other Features Uses Makerduino UNO board (compatible with Arduino UNO)

5mm Format Supported Support MIDI / MP3 / AAC and other formats / support 3GP / MP4 and other formats / support JPEG / GIF and other formats JAVA Yes TV Tuner No Other Features Stopwatch

multi-point connection

2pcs EJEAS V6 Pro Intercomunicador para Capacete Bluetooth Helmet Headset 1

NO.1 F13 Smart Watch Real-time Heart Rate Monitor Outdoor Wristband - Green 3D Printer & Supplies html Other Features Uses MakerduinoColor Green Waterproof IP68 Model F13 Model F13 Quantity 1 piece Material TPU+PC Shade Of Color Green Water proof IP68 Bluetooth Version Bluetooth V4. 0 Touch Screen Type TFT Operating System No Compatible OS Android,IOS Battery Capacity 350 mAh Battery Type Li polymer battery Standby Time 25 days Certification CE, Rohs, Other Features Built in chip type: Nordic 51822 Alert type: Ring,Vibration Bluetooth calling: Phone call reminder Health tracker: