Rechargeable c battery
NUX B-6 Wireless Saxophone Microphone System 2.4GHz with USB-C Rechargeable Battery and Auto Pairing
The NUX B-6 Wireless Saxophone Microphone System offers seamless wireless transmission up to 20m, automatic pairing, and three switchable EQs for soprano, alto, or tenor saxophones.
Innovative Technology's Bluetooth Outdoor Rock Speakers feature a 5-watt speaker system with an A/C adapter and built-in rechargeable battery.