Bluetooth Speaker, High-quality stereo music, spec

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 °C 55 °C 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 °C 55 °C 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 °C 55 °C 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 °C 55 °C >..