i12 Bluetooth Headphones True Wireless Earphone with Mic In-ear Earbuds Touch Control Charging Case Compatible with iPhone Android

Features:Built with BT5.0 version, it offers high data transfer speed, stable connection and low power consumption.Multi-functional Tou-ch control let you take calls, switch songs, or control volume simply by touching these in-ear wireless headphones all without taking your smart phones out of your pocket.Built-in high sensitivity mic, it provides high-quality clear sound and great talking experience to you.Auto power on and fast pairing between left and right earbuds. Easy and quick to pair with BT-enabled audio devices. Effective distance is about 10-15 meters in open space.Wireless dual ear design, left and right ear channel separation. You can use the headset solely, or used them in pairs.Specifications:Model Number: i12Bluetooth Version: V5.0 + EDRTransmission Distance: 10-15mFrequency Range: 20-20000HzImpedance: 32ΩSensitivity: 40dBEarbuds Battery: 35mAh  Charging Case Battery: 300mAh Charging Time: about 1 hoursMusic Play Time: Approx. to 2-3 hours Talking Time: Approx. to 4 hours Color: WhiteEarphone Item Size: 4.3*1.5*0.8cm/1.7*0.6*0.3inEarbuds Weight: 2.5g/0.09oz (Each Earbuds)Charging Case Size: 5.5*4.5*2cm/2.2*1.8*0.8inCharging Case Weight: 29.5g/1.04ozPackage Size: 10*10*3.5cm/3.9*3.9*1.4inPackage Weight: 111g/3.9ozPackage List:1* Pair of Earbuds1* Charging Case1* Charging Cable1* English-Chinese User Manual