Kids Wireless Bluetooth 4.2 Headphones, GranVela X2 Lightweight Retro Foldable Multifunction Headphones with FM Radio, TF Card Player and Microphone (Black) High Quality Sound: Powerful Bass, Clear Treble and Balanced Sound. Suitable for every genre of music. Verified by thousands of customers Excellent Battery Performance: Up to 6-8 hours of play time with rechargeable lithium-ion battery and 240-hour standby time. 2-3 hour standard charge time, with convenient 3 minute fast charging which allows you up to 1 hour play time Multifunction: Bluetooth Audio/ Micro SD Player/ FM Radio/ Bluetooth Talk/ AUX with 3.5mm cable/ Instant Music Sharing with 3.5mm cables Extremely Comfortable: crafted of synthetic leather the plush earmuffs are designed for extended wear. Suitable for sports and outdoor activities Package Contains: X2 Headphone, USB Cable, 3.5mm AUX Cable, User Manual and 12-month manufacturer's warranty