Bluetooth 4.0 Foldable Stereo Wireless Headphones Heavy Bass Headsets with Mic

Specifications: Made of sponge and soft faux leather, comfortable to wear. Built-in large capacity battery provides long time music enjoyment. This headphone is easy to fold up so that you can effortlessly carry around. Compatible with all bluetooth-compatible devices. Item Name: bluetooth-compatible Headphone Bluetooth Version: V4.0 Bluetooth Mode: for A2DP 1.2/AVRCP 1.0/ HSP/ HSF 1.5 Frequency: 2.402-2.480GHZ Receiving Sensitivity: - 84dBm Maximum Transmit Power: 4dBm Frequency Response: 20Hz - 20KHz Signal to Noise Ratio (SNR): 70Db Total Harmonic Distortion (THD): 0.1 Percent Indicator Lamp: Blue Light Headphone Charging: Rechargeable 400mAh Lithium Battery (Included) Charging Port: Mini 5 Pin USB Charging Interface Normal Charging Time: about 2.5h Talk Time: Up to 10h Standby: Up to 250h Operating Temperature: - 20 Centigrade to 55 Centigrade Features: Foldable, Rechargeable, Comfortable Wearing, with Indicator Light Size: 17.5cm x 9cm x 13cm/6.89" x 3.54" x 5.12" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Included: 1 x bluetooth-compatible Headphone 1 x USB Charging Cable 1 x User Manual