Mega Bass Anti-interference Surround Sound Effect Bluetooth-compatible5.1 Grils Mini Earphone Earbud for FitnessSpecifications: The long endurance of this wireless earphone is supported by its large-capacity battery. This mini and lightweight earphone is comfortable for you wear. You can enjoy low-latency and stable transmission as well as HiFi, stereo surround sound effect and mega bass because this earphone is featured with Bluetooth-compatible5.1 chip and intelligent noise reduction.It is constructed of ABS material.The length of this product is 6cm, width is 4cm and height is 2.5cm. This wireless earphone is suitable for running, driving, listening to music, doing sports, calling and so on.Item Name: EarphoneModel: Lenovo X15 ProBluetooth-compatible Version: 5.1Charging time: about 1.5HAudio decoding: AAC, SBCCommunication Distance: 10mSingle Earphone Battery Capacity: 30mAh(Included)Use Time: about 3HFeatures: Sensitive, Noise Reduction, HiFiSize Details: 6cm x 4cm x 2.5cm/2.36" x 1.57" x 0.98"(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 Includes: 1 Pair of Wireless Earphones 1 x Charging Box 1 x USB Cable 1 x User Manual