They have been tested and had batteries recharged.
This factory guaranteed refurbished AirTurn dual foot switch kit comes with the AirTurn BT-105 Bluetooth page turning transmitter, 2 ATFS-2 black silent foot switches that connect to the BT-105, the AirTurn non-slip pedal board, and a USB recharging cable. Fully assembled. The BT-105 Transceiver may be easily removed for use in other applications. The unit may have minor blemishes.
The BT-105 features an internal lithium polymer battery that can be used for up to 100 hours on standby, and connects wirelessly to your Tablet or Mac/PC computer via Bluetooth. The ATFS-2 black pedals are constructed of nearly indestructible polycarbonate plastic and feature a proprietary "mechanism-free" switch system for perfectly silent operation.
Dimensions: 4"x7"x7/8" (17.78 cm x 10.16 cm x 2.2 cm) (cables extend beyond these dimensions)
Weight: .94 lbs (.42 kg)
MIDI mode not compatible with Bluetooth Dongle devices.