Feature: Made of 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 for HD speaker and microphone, multifunctional and practical. It is suitable for most brands of cellphones as long as it has the Bluetooth-compatible functions. Telephone Handset only, other accessories demo in the picture is not included! Specifications: Item Type: Telephone Handset Working Voltage: DV4V Battery Capacity: 200mah Respond Time: 12h Standby Time: 36h Charger: DC5V 300mA Frequency: 2404-2479MHZ Communication Distance: 10m(normal) Charging Time: 4h Material: Plastic Size: Length: 215mm/8.4in Color: Yellow, White, Red, Pink, Orange, Blue, Black(Optional) Quantity: 1 Pc Using Steps: 1.Start the power supply: When using Bluetooth-compatibletooth, press the function for key for a long for time until the blue and red lights are on at the same for 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 for 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 for key for two seconds for a long for time, then you can refuse to answer the phone if it is opened. 6.Redial: Redial the last phone, double-click the function for key or press the function for key for two seconds to achieve the function of redial. 7.Shut down: Press the function for key for a long for 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 for time. The first charging for time is about 4 hours. Note: No retail package. Transition: 1cm=10mm=0.39inch Please 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