XIAOMI | Buds 3T Pro Black | BHR5275GLDimensions 6. 5 x 4. 8 x 2. 6 cm Batteries 1 Lithium Polymer batteries required. Keys, exhibition passes, name badges or tickets. All the small items lost in the bag or backpack can be securely attached to the key ring, so that the daily search is over The keyring can be worn comfortably around the neck and is a stylish eye catcher thanks to the classic Pantone design in any colour Made of nylon and metal, the lanyard is very robust