you can enjoy the cool breeze when climbing
the recommended observation distance is about 3 meters
Charging time: 2 hours
And please do not force it to be installed in watch
the other is the audio source or the audio cable (the audio cable makes it more likely to generate background noise)
RETEVIS PC28 FTDI Chip USB Programming Cable Write Frequency Line, PC28 Other Case you can enjoy the cool1. USB programming cable, plug and play. 2. FTDI chip, good compatibility, no need to worry about the driver. 3. The cable is soft, strong and durable. 4. Connector type: Kenwood 2 PIN standard A4 USB adapter 5. Internal integration: FTDI 232 6. Material: PU wire, ABS 7. Working voltage: DC 5V+ 0. 5V 8. Support system: WinXP 7 8 10 Linux Mac OS X Android 9. Cable length: 92cm 10. Suitable for Retevis H777, RT7, RT1, RT21, RT22, RT24, RT23, RT26, RT5,