Blue-tooth Audio Receiver Bluetooth: V5.0 Type: Adapter Material: Plastic Frequency Range :2.4GHz Profile: A2DP Transmission Range: Up to 10m / 33ft Connector(s): 3.5mm Jack Power Supply: DC 5V Charge Time: About 30 min Working Time: About 4h Size: 1.4x1.5x5.8cm
