$65.42
Screen size: 0.87 "OLED screen.
Bluetooth: BLE4.0
Weight: 19.8 g
Battery Capacity: 70 mah
Standby time: 5-8 days.
Charge: one hour
Data storage: 3-4 days.
Product size: 230*18.8*10.8mm.
Memory: 32 KB + 256 KB
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