Bluetooth speaker

Connection: Bluetooth connection

Interface type: USB

Battery capacity: 900mAh

Frequency range: 100HZ-20KHZ

Output power: 3W

The signal-to-noise ratio is not less than 75dB

Power supply: built in lithium battery

Channel: 2

Duration: 6 hours

Extended storage: 32GB

Bluetooth protocol: 3

Horn number: 1

Effective distance: 15 meters

Function: call function, voice prompt, card

Mode of operation: key

Applicable crowd: General

Display: None

Play format: MP3, WMA

Shell material: Metal

Whether to support APP: no

Format: support TF Card

Speaker adjustment: Keys

Is there a radio function: no

Case material: Metal

Appearance size: 54mmx54mmx54mm

Product weight: 0.2 (KG)

Certificate type: CE certification

Color: black, red, gold, silver grey