- 1.The button supports up to 20PCS, and the receiver supports up to 100pcs.
- 2.If multiple buttons are paired with one or more receivers in the same system, each button can be set to a different ringtone.
- 3. Power-off memory function: Turn the power on again after power off, no need to re-adjust and lock the ringtone.
- 4. The transmitter has no screw chuck design, and it can be waterproof and dustproof without rubber ring.
- 5.Receiver has 4 levels(can be mute) 0-110db,36 music to choose from.
