RETRO art radio

Signal to noise ratio: ≥ 75db
Power supply mode: built in lithium battery
Channel: 2
Playback time: 7 hours
Charging power USB port, rated input: 5V-1A
Speaker support mode: Bluetooth FM AUX
Frequency response range: 140Hz-20KHz
FM frequency: 87.5-108MHz
Speaker power: 5W *2
Speaker unit: 2 "full frequency
Speaker impedance: 4 ohms
Battery capacity: 2000mAh
Bluetooth version: 4.2
Bluetooth effective range: 10m
Product size: 196*90*130mm