Kans Multifunctional 2-Channel Charger for GoPro HERO4 and GoPro AHDBT-401, AHBBP-401,HERO3+, HERO3 and GoPro AHDBT-201, AHDBT-301, AHDBT-302 Fully Compatible with:GoPro AHDBT-201, GoPro AHDBT-301, AHDBT-302, GoPro HD HERO3/HERO3+ GoPro HERO4 and GoPro AHDBT-401, AHBBP-401 Multifunctional 2-Channel Design:Charge Two Gopro 3 or Two Gopro 4 batteries simultaneously;Or Charge One Gopro 3 Battery and One Gopro 4 Battery at the same time. Safety Guarantee:Products are CE/Rohs Certified, Tested by Manufacturer to Match OEM Products. Smart Led indicator:Let you know the battery status while charging What you get:1*Multifunctional 2-Channel Charger,1*Mini USB Charging Cable and Friendly Customer Service