Blackstar Airwire i58

Blackstar Airwire i58, 5.8 GHz Wireless System, Radio transmitter and receiver, Frequency band: 5.8 GHz, Range: 35 m, Transmission channels: Four, Auto-Sleep after ten minutes, Charging time: Less than 2.5 hours, Battery life: Nine hours, Latency: < six ms, Dimensions (L x W x H): 67 x 37.2 x 20.5 mm, Weight transmitter/receiver: 45 g ...