Model NO.: QR-A2
Chargeable: Chargeable
SNR: 81-90dB
Display Type: Without Display
Compatible Product: Universal
Trademark: ESE
Specification: 106*58*45
Origin: Dongguan, Guangdong, China
East Star electro-acoustic technology independent research and development6 color optional, wireless Bluetooth portable speaker, can answer the phone.
Built-in 1200MA high-quality lithium battery,Playing time theory up to 10 hours.(I personally test,Depending on the volume level)
Can be directly connected with the phone Bluetooth connection distance of 20 meters(There are two reinforced concrete wall signal loss in the middle).
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Speaker type :         Portable Bluetooth speaker  |
Power supply :        Built-in rechargeable                     lithium  battery |
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Speaker system : Â Â Â Â Â CSR4.1 + EDR Â |
Signal to noise ratio : Â 85dB Â |
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rated power: Â Â Â Â Â Â Â Â Â Â 4W * 2Â Â |
Distortion :           0.5% 1W 1kHz  |
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peaker unit :           2 * 1.5 inches  |
Resolution : Â Â Â Â Â Â Â Â Â 3 Â |
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Adjustment method :    Button / Bluetooth adjustment  |
MIC call function :     support  |
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Frequency response :   45Hz-20kHz  |
battery capacity :     1200mAh  |
    East Star Electro-acoustic Technology (Dongguan) Co., Ltd. is a wholly foreign-owned enterprises, focusing on acoustic art for 28 years, is the smart acoustic solutions provider and brand. The company was first established in 1992 in Changzhou, Jiangsu, Dongguan company was established in 2002. The company has more than 13,000 square meters of factory and product research and development centers, long-term well-known domestic and foreign TV manufacturers to provide acoustic solutions, and provide speakers and speakers products. The company's main customers are TCL, Changhong, Samsung, Skyworth, Haier, Tongfang, Kang crown, the Great Wall Group. The company employees 300 people, the company's work and living environment is good. A full set of imported testing equipment and production equipment, strict quality management system and environmental management system.
      The company has passed the ISO9001-2008 quality system certification, and ISO14001: 2004 Environmental Management System Certification.
   In August 2009, the company invested to establish Dongguan Rui Rui Plastic Products Co., Ltd., adding molds and injection molding projects to ensure the supply of major materials.
The company now owns 22 loudspeaker patents, of which four patents for inventions, eighteen utility model patents, 2016 was selected for the national high-tech enterprises.
     In 2013, the company started its own brand of "East Star ESE" independently developed and equipped with TV, but also a single bar-type high-fidelity home theater speaker - Soundbar, dedicated to the research and development of quasi-fever-level smart electro-acoustic products Sales, positioning young fashion groups, excellent sound quality, intelligent integration for the brand highlights. Has launched a series of LIGHT portable Bluetooth speakers, ARC series curved surface Bluetooth speakers. Once launched, with its perfect sound quality, consumers immediately won the high praise.
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