Why Choose it:Minimal earphone， Perfect for Stealth listening/watching at work for women with long hair (w/ LED indicator light not totally stealth for men ) and in-car callingSupport Stream Music/Video/Audio (with A2DP&AVRCP) and Siri， just watch Movies and Netflix， Youtube; Bluetooth V4.0 Compatible with Most Bluetooth Enable Device - Smartphone， Tablet， Laptop， PSP etc.Good sounds， with a Second Ear Bud， change Mono to Dual channel，You can attach the ear buds and listen to music through both ears; Good call quality and range; easily control between voice calls and music22.3mm(L) X 22.4mm(W) X 27mm(H)， light weight and easy to use; Usage time: 2-3 hours (depend on volume)， Minimal Shape Design Limit the battery Usage timeFeatures:Compatible with Most Bluetooth Enable Device This Earphone is Bluetooth V4.0+EDR， fully backward compatible with Most Bluetooth Version Device (V4.0，V3.0+EDR，V2.1+EDR，V2.0+EDR，V1.2，V1.0 etc.).Just make sure your phone (or other Device) is Bluetooth Device.PAIRING TipsPress the power button of the headset for 10 SECONDS or LONGER until you see the BLUE-RED LIGHT BLINKING ALTERNATELY or HEAR A BEEP.Stream Music/Video/Audio PlayingWant to listen to a movie playing on your phone or tablet? Want to watch video in Youtube? Want stream music from your Pandora? Tronfy? "iWork" Mini4.0 build with Bluetooth Profile A2DP&AVRCP， so this earpiece will meet all you needs.Perfect for Stealth listening/watching at workGreat little earphone to listen to music/watching movie while at work��still be able to concentrate and carry on conversations with people at the same time.Connect Two Devices at The Same TimePair it with two Bluetooth-enabled devices at the same time and don't miss your calls when you have two cell phones!Specification:Chipset: CSR chipsetBluetooth Version: V4.0+EDRBluetooth Profile: A2DP， AVRCP，HSP，HFPStream multimedia: Music， Audio， Video， Podcasts， GPSUsage time: 2-3 hoursStandby time: up to 100 hoursCharger time: 2-3 hoursWorking Distance Range: 10m Frequency Range: 2.4026GHz-2.480GHzBattery: Li-on batteryIOS Battery Displays: YesNoise Cancellation: YesSiri: YesWhat is included:1 x Wireless Earbud1 x Wired Earphone1 x Ear Hook1 x White Charging cable1 x User Mannual