Auto-type Bluetooth Speaker
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.
Directly into a SD card for playback.
Suitable for wide range of people, students listen to music, learning English; white-collar workers as leisure products, stylish and convenient.
Light and compact, home, travel, outdoor enjoy the music anywhere can be anywhere.
Can be used as a multimedia speakers, connected PC, laptop, mobile phones and other sources.
DC, USB, battery of three power supply allows you more convenient to use.
Built-in LAN-IN interface to an external mp3, notebooks, MD, CD and other sources.
Built-in: SD Card, USB decoding

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

Features:
All wooden box structure, effective way to eliminate harmonic
A built-in high-capacity lithium battery materials, easy to use;
Perfect sound quality amplifier; treble thin clear, dynamic bass-rich.

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: 1000mAH
Charging time :2-3 hours
working time:5-6 hours
Standby time: up to 1000 hours
Size: 280mm×107mm×38mm
Weight: 510g

Technical Specifications:
Input Voltage: DC 5V
Working voltage: DC 5V (inside is　+ outside the -)
Line input impedance: 10K ohms
Amplifier output power: RMS 3Wx2 (THD = 10%, f = 1KHz)
Frequency response: 50-18000HZ
Sensitivity: 500MV
PA signal to noise ratio: ≥ 85dB
Left and right channel separation:≥ 49dB
Dynamic Range:≥ 98dB
Distortion: ＜0.3% (1kHz, 1W): 1%
Operating temperature: -10 ℃ ~ 55 ℃

Bluetooth Description:
Features: Automatic Bluetooth Speaker
Support A2DP mobile phone and PC music, high-quality stereo music, pure sound quality.
Compatible with many major brand Bluetooth cell phone use.
Safe, low radiation. Stylish gorgeous.
With the Bluetooth adapter, can be used online voice chat. Call clear.

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: 50-18000HZ
Operating temperature: -10 ℃ ~ 55 ℃