Feature:Made of high-quality material, durable, firm and stable for us to use.Comfortable call and various color for you to choose from to meet your needs.Supplied Bluetooth-compatible 2.0 or 3.5mm plug to connect.Designed with the button, it can support volume adjust and phone answering function.It can be used as HD speaker and microphone, multifunctional and practical.Telephone Handset only, other accessories demo in the picture is not included Specifications:Item Type: Telephone HandsetWorking Voltage: DV4VBattery Capacity: 200mahRespond Time: 12hStandby Time: 36hCharger: DC5V 300mAFrequency: 2404-2479MHZCommunication Distance: 10m(normal)Charging Time: 4hMaterial: PlasticSize: Length: 215mm/ 8.4inColor: Yellow, White, Red, Pink, Orange, Blue, Black(Optional)Quantity: 1 PcUsing Steps: 1.Start the power supply: When using Bluetooth-compatibletooth, press the function key for a long time until the blue and red lights are on at the same time, and flicker. 2.Bluetooth-compatible Matching: to start the Bluetooth-compatible function of mobile phone; to turn on the Bluetooth-compatible search function; to search for MSphone model, select the model, and then the blue light flickers to match successfully. 3.Answer the phone: When the phone calls, the phone still rings. Press the function key of Bluetooth-compatible receiver to answer the phone. 4.End the call: After the call is over, press the Bluetooth-compatible Hearing button to end the call. 5.Reject phone calls: When a cell phone calls, press the function key for two seconds for a long time, then you can refuse to answer the phone if it is opened. 6.Redial: Redial the last phone, double-click the function key or press the function key for two seconds to achieve the function of redial. 7.Shut down: Press the function key for a long time until the red light is on, i.e. shut down. 8.When charging, the headphone indicator shows a red light. When the headphone is charged, the red light will go out and the blue light will be on for a long time. The first charging time is about 4 hours. Note:No retail package.Transition: 1cm=10mm=0.39inchPlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes:1 x Telephone Handset Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.