DJI Mic (Transmitters x2 + Receiver x1 + Charging Case) Used only for testing. Operation has been confirmed, and everything works perfectly. Specifications/Configuration Contents: Transmitters x2 Receiver x1 Charging Case x1 Compatible Devices: PC, iPhone, cameras, etc. Transmission Distance: Up to 250m Operating Time: Approximately 15 hours (including charging case) Connectivity: Bluetooth / 3.5mm jack Noise reduction function Condition Operation confirmed, no problems. Overall in beautiful condition, but there are slight scratches from testing. The case and button responses are also normal. Accessories Transmitters x2 Receiver x1 Charging Case Cables (USB-C) *Replaced with Anker brand. Outer box