Product details: KOLEER S29 Bluetooth Speaker
power output: 5w
Frequency: 70hz-18k
Transmissions Distance: 15m
Version: 5.0+EDR Usb
Voltage: DC 5v Battery
Capacity: 1200mah
Made in: China
Package Type: Official Standard
Playback Function: mp3
Play Time 3-5 Hours  (depending on volume level)