brand: Xinrui Sheng<br />type: Bluetooth Speaker<br />Connection mode: Bluetooth connectivity<br />Battery capacity: 400MA<br />Frequency Response: 100HZ-20KHZ<br />output power: 3W<br />Signal-to-noise ratio: More than70db<br />Power supply mode: Built in lithium battery<br />Play duration: 4H<br />Extended storage: 32GB<br />bluetooth: 4.1<br />Number of speakers: A<br />Effective distance: 10rice<br />function: Fall・Call function・dustproof・waterproof・Voice prompt・Card・remote control<br />Operation mode: Key<br />Play format: MP3<br />Shell material: Plastic<br />Whether supportAPP: yes<br />Support format: TFcard<br />Do you have a radio function?: Yes<br />Cabinet material: Plastic<br />Appearance size: 95x87x32mm<br />Product weight: 0.2(KG)<br />colour: white・blue・black・gules・orange・green