Ax-01 Wireless Bluetooth V4.1 Stereo Bass Sport Running Ear Hook Earphone The product is shipped based on the color or size of the main image of the product page. Features: 100 percent brand new and high quality. Provides a quiet and comfortable listening experience. Stylish design and advanced technology, you will be cool and stylish once wearing it. VC 6.0 Noise reduction, clear talk while keeping maximum comfort while looking good. Designed with an ear hook style that gives you ultimate comfort and fit. Specifications: Bluetooth chip and Bluetooth version: 4.1 Bluetooth protocol: A2DP AVRCP HFP HSP Battery: 3.7V 60mAh Charging power: 5V or 80mAh Sensitivity: 103db 3dB Impedance: 32Mw Transmission distance: accessibility: 10m Frequency: 2.4GHZ Talk time: about 4 hours Songs time: about 5 hours Standby time: about 160 hours Color:black, red, blue, green Size:55 x 35 x 25mm Line length: about 60cm Package included: 1 x Earphones Notes 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Due to personal measurement technique is different, there may be 1-3 cm error of the physical.Thank you Note: 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.