Electric blowpipe electric guitar electric piano wireless transceiver $ 37.34 Power supply: 3.7v/450mah polymer lithium battery Audio interface: 6.35mm mono audio plug can rotate 120 degrees Transmitting power: 7dBm Receiving sensitivity: 81dbm Audio quality: 24bt 48Khz Delay: 5.6ms - 100dB distortion Maximum input signal amplitude: 500mv Maximum transmission distance: 35m (open space) Full power working time: 4H Charging time: < 2H
