Heavy duty Speaker microphone iSPM600 meets Zello user's need of talking under rugged environment.

Compatible with Zello iOS and Zello Android

Embedded BL5C battery provides more 32 hour talk time.

PTT button, volume control buttons, and cell phone button are built in

Features 3.5mm jack for receiving only earphone

<Speaker>

Dimension: Φ40mm Impedance: 8 Ohm±15%

Frequency: 680Hz ~ 20KHz

Rate Power: 2W

Decibel: 92dB±3dB

Type: Dynamic

Volume Up/Down

<Microphone>

Dimension: Φ6.0 x 5.0mm

Impedance: 2.2k Ohm±10%

Sensitivity: -44dB±3dB

Frequency: 50Hz ~ 15KHz

Pattern: Omni-directional

<Cable>

Diameter: 4.5mm

Plug: 3.5mm 4 contacts

Length: 20cm/25cm/20cm

<Others>

Replaceable battery Battery: 1000mAH BL-5C compatible

Charging: mini USB with cable

Talk Time: Over 32 Hours