For Apple Watch Series 6 / 5 / 4 / SE 44mm Aluminum Alloy + TPU 2 in 1 Protective Case(Red) Tag-Other Adopt temperature compensated auto frequency

Adopt temperature compensated auto frequency control technology (TAFC)

stable contact

Compatible devices: all kinds of devices with USB protocol

usage is more flexible

Sensitivity: 105dB/mW

For Apple Watch Series 6 / 5 / 4 / SE 44mm Aluminum Alloy + TPU 2 in 1 Protective Case(Red) Tag-Other Adopt temperature compensated auto frequency1. Easy access to all ports and buttons 2. Light weight, will not increase the weight of the wrist 3. Fully protect the device from general scratches, dirt and wear 4. Simple installation 5. Material: aluminum alloy + TPU Note: The product only includes a protective case, not the watch body or watch band