HeadphoneMate Rechargeable Battery for Parrot Zik 2.0, Parrot Zik 3 Headphones Premium battery from industry leader HeadphoneMate This BRAND NEW replacement is 100% compatiable with your Parrot Zik2.0, Parrot Zik 3 Headphones. (NOTE: HeadphoneMate battery are only compatible with our HeadphoneMate charger and Parrot Zik2.0 Zik3.0 headphones; they are NOT fit other after-market chargers!!!) Note: these batteries are designed for Parrot Zik 2 and Zik 3 headphones, they are NOT compatible with Parrot Zik 1 headphones. It has same capacity (830mAh/3.07WH) as Parrot Zik 2.0, Zik 3 battery, plus HeadphoneMate carefully designed it with comprehensive saftey features: include Short Circurity Protection, Overcharge protection, Over discharge protection, Over heat protection, CE Safty Certified!