Model: Celebrat-A9
Best working distance: <5m
Frequency response: 20Hz-10KHz
Wireless version: V5.0
Drive unit: 40mm
Battery capacity: Lithium battery3.7V/300mAh
Working frequency: 2402-2480MHz
Play time: About8 H(70% volume)
Impedance: 32Ω±15%
Transmission distance: 10m
Call time: About 8 H(90% volume)
Sensitivity: 107dB±3dB
Input voltage: Micro USB/DC 5V /500mA
Charging time: About 2 H
Standby time: About 90 days