Specification: Model: LH-MOON Type: Headphones (Neckband) General Use: Computer , Mobile Phone , Media Player/Tablet Function: Sports , With Microphone Communication: Bluetooth Memory Capacity: None Material: Plastic Color: White , Black Dimensions (cm): 6.3*2.3*6.3cm Weight (kg): 0.023 Bluetooth Version: V4.0 Frequency: 2.4026GHz-2.480GHz Operating Range: 10M Standby Time: 65 Hours Talk Time(Hours): 4 Hours Charge Time: 2.5 Hours Colour: Black and White Package include: 1X Bluetooth Neckband Earphone 1X User Manual 1X USB Charging cable 2X Earphone Plug