Coolfire - Wristband Vibrating Alarm Watch for Couples, Students, Hearing Impaired, USB Chargeable(red) workwarehouse you can expand your USB-C

you can expand your USB-C port with this USB-C adapter

Power by 1* AAA battery

About warranty: DSD TECH provides one year warranty service

Alvin's Cables Audio Cable for ARRI Mini LF Camera 6 Pin Male to 3

Coolfire - Wristband Vibrating Alarm Watch for Couples, Students, Hearing Impaired, USB Chargeable(red) workwarehouse you can expand your USB-CCoolfire Wristband Vibrating Alarm Watch for Couples, Students, Hearing Impaired, USB Chargeable(red) Product Features 1 VIBRATION ON THE WRIST CAN ALART YOU WITHOUT DISTURBING OTHERS; silent and effective; good for couples, students, shift work and hearing impaired; not for heavy sleepers. 2 EASY SETUP, WORKS OFFLINE: use your phone to set up multiple alarms, customize alarm days, and switch each alarm on or off; this app driven wristband vibrating