Custom emojis: Subscribers can use subscriber-specific emojis provided by streamers, which can be used in any Twitch channel.
Subscription Badge: Subscribers receive a special subscription badge, displayed next to their name, indicating that they are a supporter of the channel. Badge colors and styles may be upgraded over time.
Ad-free experience (if the anchor is turned on) : In some cases, Tier 1 subscribers can skip mid-stream ads while watching on that channel, but it depends on the anchor's Settings.
Subscriber Exclusive Content: Subscribers may be given access to subscriber exclusive chats, emoticons, and certain special events or content.
Participation in Subscriber-Only chat mode: Tier 1 subscribers can still participate in the chat when the host enables "Subscriber-only chat mode".
Other Rewards: Some streamers offer additional benefits to subscribers, such as in-game rewards, discount codes, or subscriber-specific interactive events.

No need to provide your account details. Just send the link to the channel you want to send a gift subscription via chat.

If you want the gift subscription to be sent to specific viewers, you can specify      usernames, if you do not have such a request, subscribers will be sent to random viewers.

It will be delivered anonymously in the form of a gift.