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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
If you are not sure
One Package Size 20cm * 15cm * 8cm / 7
Firmware upgrade: Support program firmware upgrade via Type C usb cable
Download and storage: USB 2
blood oxygen saturation monitoring
WEIXIER B724 Business Large Capacity Double-Shoulder Commuter Computer Bag Expandable Travel Backpack Color:Black If you are not sure1. Material: oxford cloth 2. Structure: main pocket, front zipper secondary pocket, mesh pocket compartment pocket, independent computer layer, shoulder strap zipper pocket, front zipper pocket 3. Fabric surface waterproof design, water droplets will not easily penetrate, keep the backpack dry, reduce the trouble of outdoor traveling 4. Multi compartment pocket design, scientific and reasonable placement of items more convenient for traveling 5. 180