工地施工Construction sites
塔吊上、楼下面、隔几层楼，往左一点，好，放！
一按就到。Crane cab to ground floor: A bit left… OK, lower it!
One press and they hear it.
手机对讲机 · 内测中Phone walkie-talkie · beta
嘀一声
就到One beep.
Everyone hears.
把手机变成对讲机。按住说话，松手就到，不用拨号、不用等接通。不限距离，熄屏锁屏也能听到。 Your phone becomes a walkie-talkie. Hold to talk, let go to send — no dialing, no ringing. Any distance, and you hear it even with the screen off.
- 不限距离No range limit
- 熄屏也能听Hears with screen off
- 一个群 50 人50 people per group
- 语音自动转文字Voice turns into text
「收到，马上到！」“Copy that, on my way!”
试试按住上面的按钮Try holding the button
谁在用Who it's for
喊一声，大家都听到One call, the whole team hears
只要有网络（4G、5G 或 WiFi），隔着楼层、隔着城市都能对讲。下面这些场景，用语崽最顺手。Wherever there's a signal (4G, 5G or Wi-Fi), you can talk across floors or across cities. These are the places Yuzai fits best.
餐厅酒店Restaurants & hotels
后厨、前厅、客房一个群：6 号桌的菜好了。
Kitchen, floor and housekeeping in one group: Table 6 is ready.
自驾车队Road-trip convoys
头车说前面服务区休息
，后面每辆车都听到，配耳机按键就能回话。The lead car says Rest stop ahead
and every car hears it. Reply with a headset button.
骑行徒步Cycling & hiking
队伍拉开几公里也不怕，我在后面，等一下
，有信号就能喊。Spread out over miles? I'm at the back, wait up
— anywhere with a signal.
仓库物流Warehouses & delivery
调度一句话，司机、叉车、库管同时听到，不用一个个打电话。Dispatch speaks once; drivers, forklifts and the stockroom hear it together.
活动安保Events & security
签到、舞台、停车场，各个岗位随时联络，场面再吵也能看文字。Check-in, stage and parking stay in touch; when it's loud, read the text instead.
导游带团Tour groups
十分钟后门口集合
，走散的游客也能听到。Meet at the gate in ten minutes
— even the ones who wandered off hear it.
一家人Families
吃饭啦！
楼上楼下、在外面的家人，一按就听到。Dinner's ready!
Upstairs, downstairs or out in town.
和对讲机比一比Versus a two-way radio
手机就是对讲机The radio is already in your pocket
| 传统对讲机Two-way radio | 语崽Yuzai | |
|---|---|---|
| 距离Range | 一般几公里，隔楼层、隔山就断A few kilometres; floors and hills cut it off | 不限距离，有网络就能通Any distance, wherever there's a network |
| 设备Hardware | 每人一台，几百元起，还要充电One per person, from tens of dollars, plus chargers | 用自己的手机，内测免费The phone you already have; free in the beta |
| 频道Channels | 调频道，容易串台、被别人听到Shared frequencies; strangers can listen in | 好友和群，只有自己人听得到Friends and groups; only your people hear you |
| 记录History | 说完就没了Gone once it's said | 语音回放 30 天，文字保留 1 年Replay voice for 30 days, keep the text for a year |
功能Features
简单到不用教Simple enough to need no manual
按住就说Hold and speak
不用拨号、不用等对方接，松手不到一秒对方就听到。很短的一句「好」也不会漏。No dialing, no waiting to connect. Let go and they hear you within a second, even a one-word “OK”.
熄屏也能听Screen off, still on air
手机锁屏、App 在后台，好友和群的语音照样自动播放。把常联系的人「置顶」，熄屏按键说话就直接发给 TA。Locked screen or app in the background, every friend and group still plays. Pin the one you talk to most and the talk button goes straight to them.
群组对讲Group talk
一个群最多 50 人，一人说话全群都听到；点「成员」就知道谁在线。Up to 50 people per group, everyone hears each call, and the member list shows who's online.
语音变文字Voice to text
说的话自动转成文字显示在聊天里，开会、太吵不方便听时，看一眼就懂。在手机上转写，不额外收费。What you say shows up as text in the chat, for meetings and noisy places. Transcribed on the phone, at no extra cost.
漏听能补Nothing missed
没信号时错过的语音，网络恢复后自动补播；聊天记录里随时回放。Calls you missed without signal play automatically when you're back online. Replay any of them from the chat.
哪儿都能用On every screen
安卓、iPhone、电脑网页都能对讲，支持 18 种语言。Android, iPhone and any web browser talk to each other, in 18 languages.
三步开始Three steps
一分钟就能用上Talking in a minute
下载安装Install
安卓打开下载页安装；iPhone 先在网页登记再安装；电脑直接打开网页版。用手机号登录。Android: install from the download page. iPhone: register on the web, then install. Computer: open the web app. Sign in with your phone number.
加好友，拉个群Add your people
把 8 位配对号或二维码发给对方就能加好友；建个群，把群号发到工作群里。Share your 8-digit pairing code or QR code to add a friend; create a group and share its number with your team.
按住说话Hold to talk
听到「嘀」开始说，松手就发出去。锁屏也照样能听到。Start at the beep, let go to send. You still hear everyone on the lock screen.
现在就喊一声试试Give it a shout
内测期间免费。安卓 10 及以上；iPhone 需先登记设备；电脑用浏览器打开就行。Free during the beta. Android 10 or later; iPhones are registered first; computers just need a browser.