Description:Wearing this product can fast and stable transmission without tangles, which allows to seamlessly fit your ears even during strenuous exercise with its ergonomic design.Using this product can enjoy a great listening experience and high tone quality with its immersive sound effects and stereo surround sound design, it is convenient to use and fast connecting.Made of ABS and electronic component material, this product is wear-resistant and long lasting.The length of this product is 7.8cm, width is 2.8cm, and height is 5.3cm.It is compatible for Android and for iOS, which can switch freely between devices.Item Name: Wireless EarphonesMaterial: ABS,Electronic ComponentInput Voltage: 5VMark Sensitivity: -42dbConnection Method: WirelessBluetooth-compatible Version: 5.0Headphone Battery Capacity: 50mAhHeadphone Wearing Type: Earplug TypeBattery Compartment Capacity: 1200mAhBluetooth-compatible Distance: within 10MBluetooth-compatible Transmission Power: -3dbSpeaker Impedance and Signal-to-noise Ratio: 32 ohmsBluetooth-compatible Frequency Band Range: 2. 402Ghz- 2.480GhzFeatures: Small Size, Firm Wearing, Quick PairingSize Details: 7.8cm x 2.8cm x 5.3cm/3.07" x 1.1" x 2.09" (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 x User Manual1 x Charging Case1 x Charging Cable2 Pairs of Ear Caps1 Pair of Wireless Earphones