RETRO art radio $ 68.14 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: 19690*130mm
