Machine Configuration Bracelet size: 251mm×18mm×2.5mm Body size: 42mm×22mm×11mm Weight: 28g Färg: Blå, Svart, Red Display screen: 1.14inch Resolution: 135*240 Trycktyp: Single point Battery capacity: 90mAH Material: Plastic+Stainless steel Waterproof level: IP67 Hardware Parameters CPU: Hs6620D Heart rate(Normal hjärtfrekvens): SC7R30 SRAM: 128kb Sflash: 1M External flash: 8M Acceleration sensor: 3-axis Vibration motor: SMT cylindrical motor Bluetooth: inbyggd BT-antenn …