Speaker Description: Open speaker power, Bluetooth entered automatically.
High-quality stereo music, pure sound quality.
Built-in rechargeable polymer battery, light weight, long life, small size, and environmental protection.
Safe, low radiation. Stylish gorgeous.

Features: Automatic Bluetooth Speaker
Sub-structure, effective way to eliminate harmonic
A built-in high-capacity lithium battery materials, easy to use;
Digital power amplifier, perfect sound quality; treble thin clear, dynamic bass-rich.

Product Accessories:
Box, USB power cable, audio cable, power adapter.

Specifications:
Power Supply: 100 ~ 240V AC adapter
Output voltage :5.0 - 6 .0 V DC, (inside is outside the negative)
Output current: 200-500mA
Battery: 800mAH
Charging time :2-3 hours
6-9 hours working time
Standby time: up to 300 hours
Size: 50mm × 20mm × 12mm
Weight: 300g

Technical Specifications:
Input Voltage: DC 5V
Working voltage: DC 5V (inside is outside the negative)
Line input impedance: 10K ohms
Amplifier output power: RMS 3Wx2 (THD = 10%, f = 1KHz)
Frequency response: 20-20000HZ
Sensitivity: 500MV
PA signal to noise ratio: ≥ 95dBA
Left and right channel separation:> 49dB
Dynamic Range:> 98dB
Distortion: <0.3% (1kHz time, 1W of): 1%
Operating temperature: -10 ℃ ~ 55 ℃
Speaker: Magnetically shielded, 4 ohm
Box Size (mm): 120 (W) x 81 (H) x 23 (D)
QTY: 80,

Bluetooth Description:
Features:
Support A2DP mobile phone and PC music, high-quality stereo music, pure sound quality.
Safe, low radiation. Stylish gorgeous.
Specifications:
Spread Spectrum: Frequency Hopping Spread Spectrum (FHSS)
Working range: 10 meters of wireless communication

Technical Specifications:
Chipset: csr
Transmission power: Class2 less than 4dbm, low radiation.
Frequency range :2.401-2 .480 GHz (2.4GHz ISM Section)
Receiver sensitivity: ：<-82dBm，BER<0.1%
Left and right channel separation：＞50dB
SNR:＞80dB
Dynamic Range：＞85dB
Distortion：<0.5%
Frequency response: 80-18000HZ
Operating temperature: -10 ℃ ~ 55 ℃