● Built-in Bluetooth wireless transmission, call hands-free function
● stereo audio transmission protocol (A2DP V1.2)
● supports Bluetooth sound boxes (TWS)

● charging interface and audio input are combined into one

● support playing MP3 songs stored in TF card

● Bluetooth solution/version: Jerry/5.0
● Built-in lithium battery: 300mAh
● output power: 3 to 3W
● Speaker: Ф 36mm
● input sensitivity:
● frequency: 20Hz- 20KH
● Signal-to-noise ratio: SNR:% 90dB
● Working voltage: DC 5V
● Playing Time: 2-3H
bare Metal size: Ф 41 height 37MM
packing type: Color box
color box size: 81*45 * 94MM
carton size: 40*40 * 30CM
net Weight: 8Kg
gross weight: 9KG
packing quantity: 100pcs
accessories: USB cables + color box