-Mini-Bluetooth Speaker Frequency:150~18KHz.
-Imdedance:4Ω -Imdedance:≤0.3%.
-SNR:≥80DB.
-Voltage:3.7V/350mA.
-Charging Voltage:5V.
-The Appearance of the product is Compact and perfect sound quality and Easy to Carry A breakpoint memory play function.
-Audio input: Support PC/MP3/MP4/MPS/PSP.
-Mobile Phone Built -TF Card/USB music files Automatically play.
-Check if The Micro SD Card is Inserted Right.
-High-Quality Decoder Chip, Supports 32GB Micro SD Card.