Wireless Sony speaker srs-XB23

In perfect condition. Full set, speaker + usb type-c cord.

sound modes:
Clear Audio+, dsee, extra bass tm, stamina mode

communication system:
Version 5.0

frequency range:
2.4 GHz band
frequency transmission range
20 Hz20,000 Hz (44.1 kHz sampling)

power supply:
Internal rechargeable battery

battery life:
Approx. 12 h

power consumption (standby mode):
Approx. 0.3 W