S518 Portable Strap Wireless Bluetooth Speaker Subwoofer Radio TF Card USB AUX Audio

Features:Model:S518
Power:5W
Voltage:DC 5V
Battery capacity:1200mah
bluetooth version:V4.2
Working range:Up to 10m/ 33ft
SNR:≥70db
Frequency range:100Hz-20KHz
Play time:About 6 hours
Extended storage:Max. 32GB (TF card not include)
Format:MP3 WAV WMA FLAC APE
Function:bluetooth, TF card play, AUX in, USB disk, Hand-free calling
Package Included:1 x bluetooth Speaker
1 x USB Cable
1 x Strap