Portable Wireless Hifi Stereo bluetooth Sports Headphone Headset Mic SD AUX

Features:-Fold-able design make it portable;-Stereo Hi-fi sound;-Wide Compatibility;-3.5mm AUX input, SD card extended;-Hands-free phone call connection;Note:-The color of the item may vary slightly due to photography and different PC monitor, and the size might be slightly errored due to manual measurement. Your kindly understanding would be appreciated.Specifications:Name: bluetooth HeadphoneMaterial: PlasticColor: Black / Pink / Blue / Green / OrangeSize: Approx.17.5x8.2x11.5cm/6.9x3.2x4.5 (Folded)Power supply: Built-in 400mAh Li-batterybluetooth version: bluetooth 4.0bluetooth control range: 10m/393.7Charging voltage: DC 5VCharging time: 2-2.5h (4h for the first-time charging before first usage)Playing time: up to10h (at average colume)RF frequency range: 2.402-2.480GHz, 2.4G ISM bandFrequency response: 20Hz-20KHzSNR: 70dBTHD(Total Harmonic Distortion): 0.1%Package includes:1 x Headphone1 x Micro USB cable1 x Manual