F-V6 BT earphones adopts retractable earphone and clip design, more convenient to wear or store. You can clamp it on the clothes and retract the ear-bud easily when the call finishes. Its multi-point connection function allows two phones to be connected at the same time. And with rechargeable 80mAh battery, it can last for about 4-5 hours of music playing or talking time. Features:Battery Indicator: When connected successfully, the earphone will display the remaining battery on the phone (Support for iPhone and some Android phones). Endurance Time: Built in rechargeable 80mAh battery, it can last for about 4-5 hours of music playing or talking time, and the standby time is about 75 hours. Multi-point Connection: Multipoint technology allows connecting two phones at the same time. Achieving easy operation between two phones. Clip Design: With user-friendly clip-on design, it will be more convenient for you to wear it, simply clamping down on the clothes. Retractable Earphone: Adopting retractable earphone, so you can hold to pull ear-bud to answer the call, one click to retract the ear-bud easily when the call finishes. Specifications:Product No.: F-V6 BT Version: V4.0 Transmission Distance: 10 Meters Frequency: 2.4GHz Impedance : 16 15% Sensitivity: 95 3 dB Frequency Range: 50-20kHz Battery Capacity: 80mAh Charging Voltage: DC 5V Charging Time: Less Than 2 Hours Talking Time: 5 Hours Music Playing Time: 4 Hours Standby Time: 75 Hours Item Size: 4.5*2.5*2.5cm / 1.8*1*1in Item Weight: 16.4g / 0.57oz Package Size: 9.5*7.5*3.5cm / 3.7*3*1.4in Package Weight: 30.8g / 1.1oz Color: Black Packing List: 1 * BT Headphone 1 * Charging Cable 3 * Silicone Tips