Device Dimensions and Weight:

• Overall Dimensions: 112x62x30mm / 4.4×2.4×1.2 inches
• Overall Weight: 148g / 0.33lb

Transmitter:

• Dimensions: 43x18x18mm / 1.7×0.7×0.7 inches
• Weight: 8.8g / 0.021lb
• Battery: 3.7V / 70mAh / 0.259Wh
• Battery Life: Approx. 5 hours
• Charging Time: Approx. 1.5 hours

Receiver:

• Dimensions: 48x25x13mm / 1.9x1x0.5 inches
• Weight: 9.6g / 0.021lb
• Battery: 3.7V / 70mAh / 0.259Wh
• Battery Life: Approx. 24 hours
• Charging Time: Approx. 1.5 hours

Charging Case:

• Battery Capacity: 3.7V / 800mAh / 2.96Wh
• Battery Life: Charging both transmitters simultaneously over twice
• Charging Time: Approx. 1.5 hours

Audio Specifications:

• Sampling Rate: 32kHz 16bit
• Frequency Response: 20Hz-20kHz
• Audio Channel: Mono
• MIC Sensitivity: -38±2dB
• MIC Polar Pattern: Omni-directional
• MIC Sound Pressure Level: ≥115 dBSPL

Transmission Details:

• Wireless Transmission Distance: ≥20m
• Data Transmission: Bluetooth 5.3+EDR
• Noise Reduction: Supported
• Delay: 30ms