Desktop Clock Control, Bluetooth Audio, FM Radio, Insertable TF Card, LED Screen Display $ 51.87 Specification: Type: Bluetooth speaker Connection method: Bluetooth connection Battery capacity: 4400mAH Frequency response range: 75HZ-18KHZ Output power: 5W*2 Signal to noise ratio: 72dB Power supply: Built-in lithium battery Channel: 2 Playing time: 6 hours Bluetooth protocol: 4.2 Number of speakers: 2 Effective distance: 10 meters Function: Card, radio, voice prompt, call function, NFC function Operation mode: Button Shell material: Plastic Support format: U disk/TF card/Bluetooth Speaker adjustment method: Button Power mode: USB Colors: Black, white
