[Version 1.0] Tronfy&reg; &ldquo;iWork&rdquo; Mini4.0 Minimal Sheltered Wireless Bluetooth V4.0 In Ear Earbud/Earpiece Earphone Headphone Headset w/Mic Support Stream Music/Video/Audio For iPhone Samsung Most Bluetooth Enable Device - Mini4.0 White Minimal earphone, Perfect for Stealth listening/watching at work and in-car calling Support Stream Music/Video/Audio (with A2DP&AVRCP) and Siri, just watch Movies and Netflix, Youtube; Bluetooth V4.0 Compatible with All Bluetooth Enable Device - Smartphone, Tablet, Laptop, PSP etc. Good sounds, with a consonant line earbud, change Mono to Dual channel; Good call quality and range; easily control between voice calls and music 22.3mm(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 time Tronfy have the USA Trademark protector, you search Tronfy on USPTO official website; Package:1*Earphone, 3*Earpads, 1*Ear hook, 1*USB cable (Micro port)