[technical parameters]
Speaker type: portable bluetooth speaker
Adjust mode: key
Features: bluetooth audio input, bluetooth speakerphone, LINE IN, TF card
Power supply: DC 5V, lithium battery (300mah)
Effective power: 3W
Speaker unit: about 45MM
Signal-to-noise ratio: greater than 80DB
Distortion rate: less than 0.5% @ (1KHz)
Frequency rate: 90 hz - 20 KHZ
Audio interface: 3.5mm
4 Ω resistance resistance:
Play time: 1 hours
Voice box size: 60mm, H: 65mm
Weight of speakers: 200G
Bluetooth version: Bluetooth2.1
Working frequency: 2402-2480mhz