Wireless Bluetooth Headphones, Foldable Bluetooth Headset

Brand Name: Ringo Model Number: RH001 Style: Headband Communication: Wireless Connectors: 3.5mm Use: Portable Media Player,Mobile Phone Function: Bluetooth,Noise Cancelling,Microphone Place of Origin: Guangdong China (Mainland) Frequency: 100-10000Hz bluetooth chip: V3.0 Sensitivity: -40dB Connector: 3.5mm Battery life Standby Time: 120H Working Distance: 10M Packaging & Delivery Packaging Detail: blister Delivery Detail: 10-15days Specifications 1.with CE ,Rohs 2.minimum order 3.fast delivery  Wireless Bluetooth Headphones, foldable bluetooth headset Comply with Bluetooth 3.0+EDR   With audio Line in function Standby Current ≤ 10μA,  Working Current ≤ 30mA,  Working Voltage  : DC 3.7 V Charging Current :DC 5V , 500mA (red LED on) Speaker Unit φ30  32Ω  20mW *2 Speaker Frequency 20-20000Hz   Microphone 4.0*1.2mm omnidirectional; frequency 100-10000Hz Sensitivity≥ -40dB Battery 300mAH   3.7V   lithium polymer battery Charging Time 3H(fully charge) Standby Time ≥ 120H Working Time ≥ 10 H Working Distance ≥ 10M