• HD screen 1. 1,14 inches

• IP68 waterproof level (wear watches for a short time to swim)

• Three special belts (silicone, leather, Milan steel) can be replaced

• Calculate your heart rate accurately (you can pay attention to your physical and mental health throughout the day)

• Physiological monitoring of the female cycle (at any time concerned about women's health)

• Compatible with 99% of mobile phones in the market

• Light, beautiful, suitable for women to use

• Supports languages from various countries (covering languages in more than 150 countries around the world)

• Lithium battery of 9, 140 mAh, may be on long standby, do not worry about frequent charging

• Stable application (Band H) for aerial updates

Specifications: 

• Product model: AK12

• Water level: IP68

• Product shape and material: metal bracelet + TPU strap

• Main chip model: NRF52832

• Body storage capacity (ROM + RAM): 64KB + 512KB and add another flash: 64 M Byte

• Screen Type: IPS

• Screen resolution: 135 * 240

• Screen size: 1.14 inch color screen

• Touch screen: one touch

• Acceleration sensor: YI GUANG PD70-01C-TR7

• Bluetooth version: BT4.0

• Battery Type: Lithium Polymer Battery

• Battery capacity: 140 mAh

• Heart Rate: YI GUANG PD70-01C-TR7 Heart Rate

• Compatible systems: iOS 9.0 / Android 4.4 +

• Support functions: Facebook / twitter / whatsapp / WeChat / QQ / SMS push message, step counter, sedentary reminder, sleep monitoring, etc

• Application support language: does it support 12 languages (Chinese, Traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Vietnamese, Portuguese). The bracelet is compatible with multilingual reminder (including Latin), Cyrillic, Chinese, Japanese, Korean, covering 150 national languages

• Application download name: H Band

• Watch weight: about 25g

• Watch size: about 49 * 22 * 12mm / 1.93 * 0.87 * 0.47in