High fidelity portable wireless speaker memory card MP3 Bluetooth speaker outdoor small speaker
|
category
|
items
|
description
|
|
Bluetooth
|
execution
|
Bluetooth2.1 + DER
|
|
frequency range
|
2.4-2.48 GHZ
|
|
Communication area
|
straight line without barrier condition, the maximum 20 meters
|
|
communication protocol
|
HS / HF, A2DP, AVRCP, OPP
|
|
Audio
|
speaker unit
|
40mm
|
|
rated capacity
|
5 watts
|
|
frequency response
|
100 HZ-18 KHZ
|
|
signal-to-noise ratio
|
S / N≥85dB
|
|
nominal impedance
|
40HM
|
|
distortion degree
|
THD≤10%
|
|
music
|
Audio file format
|
MP3
|
|
storage Device
|
Support equipment
|
TF (MicroSD) card
|
|
card reader
|
Support reader function
|
|
power supply
|
battery type
|
built-in lithium battery
|
|
input voltage
|
5V = 1000hA
|
|
interface
|
OAD audio input
|
3.5mm standard interface
|
|
MIC input
|
3.5mm standard interface
|
|
32-IN power consumption
|
Mini USB
|
|
specifications
|
Package size
|
36.5 * 18 * 36
|
|
Product volume
|
62mm * 50mm
|
|
net weight
|
0.312
|