HollyLand Lark M2 Wireless Lavalier Microphone

Specifications

• Mic Sensitivity

  -37 dBV ± 2dB @ 1 KHz, 94dB SPL

• Wireless Modulation Mode

  GFSK 2 Mbps

• Wireless Transmission

  2.4 GHz Adaptive Frequency Hopping (AFH)

• Transmission Range

  Mobile Version: Up to 1000ft (300m) for LOS/200ft (60m) for NLOS
  Camera Version: Up to 1000ft (300m) for LOS/130ft (40m) for NLOS

• Mic Polar Pattern

  Omnidirectional

• Frequency Response

  20 Hz–20 kHz

• Signal-to-Noise Ratio

  > 70dB

• Sound Pressure Level

  115dB SPL

• Bit Depth

  24-bit

• Sample Rate

  48 kHz

• Battery Voltage

  TX: 3.87V
  Camera Version RX: 3.87V
  Mobile Version Charging Case: 3.8V
  Camera Version Charging Case: 3.8V

• Battery Capacity

  TX: 97 mAh
  Camera Version RX: 145 mAh
  Mobile Version Charging Case: 750 mAh
  Camera Version Charging Case: 1950 mAh

• Operating Time

  TX: About 10 hours
  Camera Version RX: About 9 hours
  Mobile Version Charging Case: > 2 times charging for 2 TX at the same time
  Camera Version Charging Case: > 3 times charging for all TX and RX at the same time

• Charging Time

  TX: About 1.5 hours
  Camera Version RX: About 1.5 hours
  Mobile Version Charging Case: < 1.5 hours
  Camera Version Charging Case: < 2 hours

• Charging Temperature

  0° C to 45° C

• Operating Temperature

  –10° C to 45° C

• Dimensions

  TX: Approx. D26mm x 9.9mm (1.0″ x 0.4″)
  Mobile Version RX: Approx. 40mm x 16.5mm x 9mm (1.6″ x 0.6″ x 0.4″)
  Camera Version RX: Approx. 40mm x 25.7mm x 20.5mm (1.6″ x 1.0″ x 0.8″)
  Mobile Version Charging Case: Approx. 75.8mm x 49.8mm x 35mm (3.0″ x 2.0″ x 1.4″)
  Camera Version Charging Case: Approx. 86mm x 54mm x 39mm (3.4″ x 2.1″ x 1.5″)

• Weight

  TX: Approx. 9g (0.3oz)
  Mobile Version RX: Approx. 6g (0.2oz)
  Camera Version RX: Approx. 14.8g (0.5oz)
  Mobile Version Charging Case: Approx. 65.6g (2.3oz)
  Camera Version Charging Case: Approx. 111g (3.9oz)