Welcome to my shop! Features:It supports wireless Bluetooth connection， hands-free phone talking and voice promptIt supports answer/reject incoming call and last number redialingIt can simultaneously connect with two Bluetooth devicesCompatible with Bluetooth V3.0/2.1/1.1， supports all the Bluetooth devicesHigh quality stereo effect and lowest noise and echoBuilt-in battery for easily charging and workingSpecifications:Color: BlackBluetooth version: V4.0+EDRProtocol: A2DP， headset and hands-freeTransmission power: Class 2Transmission frequency: 2.4GHzWork range: 10mCharging time: approx 2 hoursTalking/standby time: approx 8 hoursBattery Specifications: 65mAhichargeable polymer lithium batteryj， 3.7V DCSize: 62mm x 39mm x 13mmCable lengthFapprox 70cmWeight: 25gPackage included:1X Bluetooth Headset V4.0 Stereo Voice Prompt Earphone for BH69231x Cable length1x manual Welcome to my shop again!