RKSTN Smart Watches,0.96In Color Screen Sports Watch Sleep Monitoring Multifunctional Fitness Sports Bracelet For Android,For Ios Product parameters: product type:Heart rate smart bracelet Display size:0.96 inch Resolution:160x80 Battery capacity:90mAH Body:PC Strap:TPU Standby time:20 days Usage time:3-5 days G-sensor:SC7A20 Button touching:Single Point System version:Android 4.4 or more,IOS 8.4 or more Time display:stand by Step counting:stand by Calories:stand by Distance:stand by Sport mode:Support (running, cycling, skipping) Raise your hand to bright screen:stand by Sleep monitoring:stand by Running track:APP support Incoming call:stand by Message notification:stand by Sedentary reminder:stand by Alarm reminder:stand by Do Not Disturb:stand by Find your bracelet:stand by Dial switching:2 dials Bright adjustment:4 LEVE-L of brightness adjustment Touching and hold:stand by The weather:stand by Heart rate:stand by Continuous heart rate:stand by Blood pressure:stand by Whole point measurement:stand by Apple health:stand by Bluetooth name:stand by UI interface language:Chinese and English Information push language:Chinese and English APP support language:Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italy, Portugal ... APP name:Dayband Charging method:USB charging OTA upgrade:stand by Waterproof level:IP67 Wristband size:23x1.8cm/9.05x0.7 inch Dimensions:1.57x0.79 inch Package size:10.1x10.1x3.1cm/3.97x3.97x1.22 inch Net weight:23.7g/0.05 lb Gross weight:57.9g/0.12 lb The Package Include: 1 x Smart watch 1 x Use manual