- Volume control : 10 levels
- 4 tones setting : low sound emphasis, middle sound emphasis, high sound emphasis, normal
- Battery life time : 24 hours
- Battery charging time : 1 hour 30 minutes
- Battery indicator : 3 levels
- Battery type : Li-polymer, rechargeable 3.7v/80mA.
Dimensions: 0” L x 0” W x 0” H
Weight: 0
ES4500
$149.00Price