A9 UHF Wireless in-Ear Monitor Pro System Transmitter and Beltpack Receiver for Studio, Band Rehearsal and Live Performance (A9-1) (A9-1-BK) A9-1-BK electronics_best_sellers_May2024 11 µ (Pack of 100)

11 µ (Pack of 100)

MAINLY USED FOR -- Mainly used for detecting the oxygen flow

Just insert new AAA batteries can get it work

Shure BETA 58A

Privacy Cover IncludedThe webcam comes with an attached privacy cover to protect your privacy and security

A9 UHF Wireless in-Ear Monitor Pro System Transmitter and Beltpack Receiver for Studio, Band Rehearsal and Live Performance (A9-1) (A9-1-BK) A9-1-BK electronics_best_sellers_May2024 11 µ (Pack of 100)A9 UHF Wireless in Ear Monitor Pro System Transmitter and Beltpack Receiver for Studio, Band Rehearsal and Live Performance (A9 1) (A9 1 BK) Product Features Great technical and sound effects: adopting advanced circuit design, UHF professional chip, the sound effect is full and the high school bass is clear. Clear the reception blind zone, so that the reception signal of the system is stable without dead spots. Mono balanced XLR or mono unbalanced TS