X5 Smart Bracelet with Built-in TWS Bluetooth Earphones: • Bluetooth 5.0 and 4.0. Watch functions: • Notice of calls, messages and Push notifications from applications such as Whatsapp, Facebook, email, etc. • Auto screen wake up X5 Smart Bracelet with Built-in TWS Bluetooth Earphones: • Bluetooth 5.0 and 4.0. Watch functions: • Notice of calls, messages and Push notifications from applications such as Whatsapp, Facebook, email, etc. • Automatic ignition of pant Material: PVC; Alloy: Metal; silicone;; Colour: Light Pink;