Original OAXIS Star 21 bluetooth 4.0 Smart Bracelet Watch

Original OAXIS Star 21 bluetooth 4.0 Smart Bracelet Watch Sleep Tracking For iPhone Samsung, HTC, Sony, LG, HUAWEI, ZTE, and so on. Main Features: Time display Calories measurement Distance measurement Sleep tracking Alarm setting 7 days data saving Water resistant: IP57 bluetooth: BT 4.0 Support system: IOS 7.0 and above, Android 4.3 and above Processor: Nordic NRF51822 ARM Cortex-M0 32bit Flash memory: 256KB embedded flash RAM memory: 16KB RAM MEMS: Sensor LIS3DSH MOTOR: Y0408L General bluetooth version: bluetooth 4.0 People: Unisex watch Water resistant : YES Language: English Screen: LED Battery type: Lithium polymer batteries Battery capacity: 50mAh Standby time: 10-15 days Charging interface : Mirco USB Available color: Blue, Black, White, Red, Green Special Features Functions: Calorie burns measurement, Distance measurement, Sleep monitoring Dial and Band Shape of the dial: Rectangle Case material: Zinc Alloy Band material: TPU Weight and Size The dial thickness: 0.8 cm / 0.3 inches The dial diameter: 1.3 cm / 0.5 inches The band width: 1.3 cm / 0.5 inches Product weight: 16 g Package weight: 0.197 kg Product size (L x W x H) : 25 x 1.3 x 0.8 cm / 9.8 x 0.5 x 0.3 inches Package size (L x W x H): 12.1 x 9.6 x 7.3 cm Package Includes: 1 x OAXIS Star 21 Smart Watch 1 x Manual 1 x Charging Cable