What do you get: 1. A trio size (nano/micro/std) SIM which will fit all phones, make sure your device is GSM unlocked either 3G or 4G compatible. 2. A Prepaid bundle of 12GB data, 3000 voice mins, 3000 texts for 30 days use How to activate: 1. Simply insert SIM into your unlocked phone, make sure you enable roaming in settings. 2. Wait for the signal, accept Three UK setting messages, then you are all set to go. 3. Test it in the US before your travel Check Balance: Call 333 from your handset and choose option 3 Countries where you can use: Azores,Australia,Austria,Balearic islands, Belgium,Brazil,Bulgaria,Canary Islands,Channel Islands,Chile,Colombia,Costa Rica,Croatia,Cyprus,CzechRepublic,Denmark,El Salvador,Estonia,Finland,France,French Guiana,French West Indies,Germany,Gibraltar,Greece,Guadeloupe,Guatemala,Guernsey,Hungary,Hong Kong,Iceland,Indonesia,Isle of Man,Israel,Italy,Jersey,Latvia,Liechtenstein,Lithuania,Luxembourg,Macau,Madeira,Malta,Martinique,Netherlands,New Zealand,Nicaragua,Norway,Panama,Peru,Poland,Portugal,Puerto Rico,Republic of Ireland,Reunion,Romania,Saint Barthelemy,Saint Martin,SanMarino,Singapore,Slovakia,Slovenia,Spain,Sri Lanka,Sweden,Switzerland,Uruguay,USA,US Virgin Islands,Vatican City,Vietnam Any restrictions: 1. Use in a phone only 2. No tethering, personal hot spots. No video streaming 3. 4G signal is available dependent on geographical locations, see Three website for further information 4. Please note you cannot use the 3000 mins/ texts to call or text US numbers. In order to do this, you would need to add credit to the account by purchasing a top up voucher. Calls to USA costs 3p per minute. 5. Top up vouchers are available from third party online resellers, whilst Three UK only offer this, if you hold an UK credit / debit card Three UK customer services: From your Three phone dial 333, From abroad +44 7782 333 333