High-end Quality Wireless Bluetooth Speaker M4 Portable Large Portable Metal Bluetooth Audio / 91605

Description

Feature:Bluetooth/FM/TF/line-in/Hands-free Patented product

Frequency rang: 90HZ~20KHZ

S/R: ≥80db 

Distortion: ≤3%

Battery capacity: 1800 mAh

Battery Charging voltage: 5V

Standby Time: 8Hours

Charging Time: 1-2Hours