无线蓝牙发言的人，时髦和方便。

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 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. 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: 500mAH Charging time :2-3 hours :5-6 hours working time Standby time: up to 200 hours Size Close 150×95×31.5mm Open 150×95×116mm Weight: 218g 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: 80-18000HZ Sensitivity: 500MV Left and right channel separation:> 49dB Dynamic Range:> 98dB Distortion: <0.3% (1kHz time, 1W of): 1% Operating temperature: -10 °C 55 °C Box Size (mm): 130 (W) x 90 (H) x 60 (D) 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