Ultra-light design,comfortable arc,suitable for long-time wear,high compatibility,universality,free conversion of two plugs,suitable for more audio equipment.Built-in polymer Battery.
TX use time:3 - 5 hours.
TX working current: 50~100MA.
TX power: 10dBm.
Frequency Range: 800MHZ~900MHZ.
Moudulation way: FM.
Frequency response: 40HZ - 16KHZ.
Dynamic range: >100DB.
TX and RX empty distance 20m ~ 30m.
Add $2.00 for cellphone input.
