P14 wireless bluetooth speaker $ 20.81 Type: Bluetooth speaker Connection method: Bluetooth connection Interface type: USB Battery capacity: 1500mah Frequency response range: 100HZ-20KHZ Output power: 5W Signal to noise ratio: 75dB Power supply mode: built-in lithium battery Channel: 2.1 Play time: 5 hours Expansion storage: 32GB Bluetooth protocol: 4.1 Number of speakers: 1 Effective distance: 10 meters Function: drop-proof, waterproof, voice prompt, card insertion, radio, dustproof, call function Operation mode: button Play format: MP3, WMA, WAV Shell material: plastic Speaker adjustment method: button
