A:AnswerNo. The Razer Hammerhead True Wireless earbuds can work with most devices with Bluetooth audio capability but is designed to work with mobile devices one at a time.
A:AnswerYes. The Razer Hammerhead True Wireless earbuds work with most devices with Bluetooth audio capability, including Android and iOS devices as well as Windows PC and Mac laptops.
A:AnswerDepending on how long you have had them, what you have the settings set at you can potentially get up to 6 hours.
Straight out of the box leaving the settings as is you get? 4 hours or so.
A:AnswerYes. Razer Wireless Earbuds is compatible to devices with Bluetooth connections and smartphone app available for Android™ 8.0 Oreo and iOS 11 (or higher).
A:AnswerYes. It has the silicon earbud sleeves instead that offer increased comfort, sound isolation, and security. The soft texture feels better against your ear compared to bare plastic. The sleeves also help to keep the earbud secure by providing grip.
A:AnswerThat's dependent on the phone/device, not the earbuds. If your current device does it with your current earpiece, then it will do it with these.