HD-90
HEADPHONES TWIST OUT SPEAKER
Product name: HD-90
Battery:650mAH
Bluetooth Version: 5.3 Charging time: 2~3 hours Speaker size:中40mm
Speaker impedance:4Ω±15% Input power: DC 5V(300mA)
Bluetooth Distance:10 meters(33 feet) Frequency response:180HZ-16KHZ Speaker Signal to noise ratio: >85dB Headphone Signal to noise ratio: >90dB
Speaker Total Harmonic Distortion: Less than 5% Headphone Total Harmonic Distortion: Less than 3% Playing time: Headphone mode is about 18 hours speaker mode is about 4