Brand : Hifuture Model : SMART WATCH Flex 2 Silver Display : • 1.39" AMOLED Memory : NONE GPS : NONE Bluetooth : • V5.2 Network : N/A Cellular : NONE Sensor : • Heart rate, SpO?, sleep Waterproof : • IP68 Band : N/A Battery : • 10 Days Charging : N/A Compatibility OS : • Android 4.4+, iOS 9.0+ Special Feature : • Wireless Calling & Instant Connection • Precision Sleep Monitoring Beyond Measure: • IP68 Waterproof Standard • Extraordinary 10-Day Battery Life • Sports Mode 100+ Package Contents : N/A Dimension (W x D x H) : 0.00 x 0.00 x 0.00 cm Net Weight : 0.00 Package Dimension (W x D x H) : 0.00 x 0.00 x 0.00 cm Gross Weight : 0.00 Volume : 0.00 ประกัน : 1 ปี