I am an Chinese seller,providing customers with high-quality and low-cost products. The types of products we sell include Home & Kitchen,Health & Beauty,Fashion Clothing,Electronics,Watches & Jewelry,and so on. We keep up with the most popular fashion trends. If you like our products, please follow us and become our followers and fans. Sincerely at your service .Thank you for your shopping and have a nice day.Description:With the adoption of large-capacity battery, this earphone features long standby time. This mini and lightweight earphone can bring you comfortable wearing experience.This earphone features Bluetooth-compatible chip and intelligent noise reduction technology, bringing you low-latency and stable transmission as well as mega bass and surround sound effect.It is constructed of ABS material.The length of this earphone charging box is 4.5cm, width is 4.5cm and thickness is 3.2cm.This wireless earphone is suitable for running, driving, listening to music, doing sports, calling and so on. It is compatible for iOS and for Android.Item Name: Wireless EarphoneMaterial: ABSModel: B21 ProBluetooth-compatible Version: 5.0Horn Diameter: 40mmOperating Range: 10mBattery Capacity: 300mAh(Included)Charging Voltage: DC5VPositive Resistance: 32ohmCharging Time: 1-2HListening Time: 5HStandby Time: 250HWaterproof: IPX4Features: Stereo, Noise Cancelling, Automatic PairingSize Details:Charging Box: 4.5cm x 4.5cm x 3.2cm/1.77" x 1.77" x 1.26" (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:2 x Wireless Earphones1 x Charging Case 1 x Charging Cable 1 x Manual a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a