Series name: Classic Series Model: JR-FC1 Pro BT version: BT5.4 Memory: 128Mb Water resistance: IP68 BT range: 10m Screen material: TFT Screen size: 1.32” Screen resolution: 360*360 Touch control mode: full screen touch control Charging time: about 2.4h Typical usage time: about 5-7 days Standby time (connected): about 15-18 days Battery capacity: 350mAh Charging input: 5V⎓1A Charging mode: magnetic charging dock Working frequency: 2402MHz-2480MHz Max output power: 10dBm Band size: 227mm*22mm Applicable wrist size: 12~20cm Overall size: 49.85*11.6mm (round screen) Body material: zinc alloy middle frame+IML bottom case Weight: about59g