Features:Comfortable call and various colors.Functions: Bluetooth pairing, answer the phone, End phone, Refuse phone, Redial, Shut down, etc.The headphone indicator light is red when charging. The first charging time is about 4 hours.Specifications:Material: ABSColor: black, yellow, red, white, sky blueTransmission range: about 10 metersBluetooth protocol: 3.0Channel: StereoPower by: battery(Included)Size: (Approx) 21.5x6x5.3cmPackage Included:1 PC x Telephone Handset1 PC x USB Cable1 PC x ManualNote:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.