Item Type: Mini Game keychainBattery Type: 4pcs Button Battery LR1130 70mAh (Include with Battery)Size: Approx. 6 x 4.7 x 1.5cm/2.4 x 1.9 x 0.6inIntroduction To Memory Gameplay: 1. Start game, press middle memory button and start game. 2. According to flashlight prompt, press corresponding button and add a button for each level. Every 5 levels is an advancement (if specified button is not pressed within 10 seconds, game is over) 3. If advancement is successful, there will be cheers for the game pass. Applause. 4. If you press the wrong button or do not operate within 10 seconds, it will fail immediately, and there will be a dizzy sound to remind you after the failure.1¡¢Mini Size: Each portable game machine with a hanging chain, suitable for handheld portable size, easy to carry and store. 2¡¢Classic Design: Classic keychain is light and easy to carry, and is equipped with a hanging keychain, which can be easily fixed on the key, school bag or pocket. 3¡¢Novel Gifts: Classic design is very suitable for boys and girls, plus a variety of games, will be welcomed by most people, they can be used as small gifts for friends or family. 4¡¢Including A Variety Of Games: Portable game console keychains can not only be used as exquisite accessories for keys, but can also contain 26 interesting games, each of which contains 99 difficulty levels. 5¡¢Simple Operation: Start game, press middle memory button to start game, press corresponding button according to flash prompt, add a button for each level, and every 5 levels is an advanced level.Please note that the button color of this product will be sent randomly, please make sure you don't mind before ordering.1 x Mini Game keychain