Mini Portable Sports 503 Bluetooth 4.0 Headset 503 Mini Sport Wireless Headphones Music Stereo Earphones+Micro SD Card Slot+FM Speakers red stereo Audio Cable Rechargeable Adapter Charging Computer

100% brand new and high quality. Bluetooth function: for any phone for Bluetooth connectivity, support for music playback, answering and call function. Card function: support TF memory card. Radio function: FM With bass effect: the headset to support a variety of sound effects, so you can play beyond your imagination! Portable, lightweight, sporty shape design, sports, leisure, office can be free to listen High-quality speakers and sound chamber design, to ensure high-fidelity, sound quality effect. The volume is continuously adjustable, the playback state is free to transform. Specification : Color:Black, White,  Red, Blue, Gold,  USB interface: High-speed USB 2.0;for iPod headset can be charged and transfer files Memory capacity: No memory, is the card type, the maximum support 8GB, adapter TF card / micro sd card Charging power: Computer USB port DC 5V; DC 5C (500mA) travel charger; DC 5V (500mA) car charger Battery: DC 3.7V; Rechargeable lithium-ion polymer battery Continuous working hours: About 5 hours; (varies depending on usage) Charging time: About 2-3 hours; (due to the use of different charging equipment has changed); charging time to remember not more than 3 hours Frequency response: 20Hz-20KHz Signal to noise ratio:> 85db Working environment temperature: 0 ℃ ~ 45 ℃ Packing Included: 1 x Bluetooth Headset 1 x USB cable