2015 Yes Hope  Bluetooth noise-reduction stereo headphone sports folding wireless 4.0 earphone for music or exercises

Specifications:  Model No.: BT-1158B

Bluetooth Version: CSR V4.0

Impedance : 32 Ohm +/-10%

Frequency: 200Hz-3KHz

Trans-Distance: 10m/30feet;

Sensitivity: 113 dB S. P. L. at 1KHz  
Microphone impedance: ≤ 2.2K ohms 
Microphone Sensitivity : -38dB +/- 3dB

Battery:  Chargeable lithium-ion polymer Battery(3.7V / 220MA/h);

Successive Working Time : 3 hours 

Standby TIme  : About  100 Hours 

 

Various color optional:

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About Yes Hope:   Company History: 

1997              Established in Shenzhen, China

2002              Professional Export Office founded

2003              CE, Rohs, ISO9001 Certificated

2004              Supply for Airline Industry

2006              Shenzhen New Manufacture Industrial Zone Founded

2007              ISO14001 Approved

2011              GSV  Approved

2012              BSCI Approved

2014              BSCI Approved

2015              BSCI Approved

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