Head-mounted Bluetooth 4.0 Headphones,Wireless Stereo Headset with Deep Bass, Foldable & Lightweight, Perfect for Cell Phone/TV/ PC and Travelling Sports Running music headset(Red)

Product specifications: Support function: Bluetooth connection / built-in microphone can talk / TF card / radio function / 3.5m interface to MP3 / MP4 / mobile / computer Applicable Products: Apple/Samsung /VIVO/Huawei and other common mobile phones; ipad/tablet/laptop/single-hole desktop computer and other 3.5mm audio input devices Parameter details Blue tooth version: V3.0 Effective distance: 10M Speaker parameters: 40mm Frequency range: 20-20000Hz Sensitivity: 108±3dB Large output distortion: 0.1% Blue tooth version: V4.0 Output power: 2.402-2.480GHZ Charging interface: mini USB charging hole Battery Type: Lithium battery Battery capacity: 250mAh Charging time: 3 hours Working time: 8 hours Waiting time: 180 hours Appearance material: plastic Other features: Support status indicator, charging indicator display Accessories included: audio cable, USB charging cable, Chinese and English manual