Product information:

Speaker type: Portable Bluetooth speaker
Adjustment method: button
Features: Bluetooth audio input, Bluetooth hands-free call, LINE IN, TF card,
Power supply method: DC 5V, lithium battery (300mah)
Effective power: 3W
Speaker unit: Å 52MM
Signal to noise ratio: ＞ 80DB
Distortion rate:<)
Frequency: 90Hz-20KHz
Audio interface: 3.5MM
Impedance: 4 Ω
Playback time: 2Hours
Speaker weight: 160G
Bluetooth version: 5.0
Working frequency: 2402-2480MHz
Product colors: orange, gray, blue, green
Material composition: ABS spray rubber oil+silicone+surface linen cloth
Functional features: Bluetooth audio input, Bluetooth hands-free call, LINE IN, with TF card, FM radio
Product accessories: 
Product size: 90 * 90 * 45mm
Color box size: 115 * 95 * 45mm