Feature<br> 1. Bluetooth + MP3 function support stereo music playing, phone calling.<br> 2. Support all audio devices that have Bluetooth capability, such as, cell phone ,tablet PC,laptop,computer etc.<br> 3. 3.5mm audio jack, provides a simple wired connection of a variety of devices without Bluetooth.<br> 4. Allow you to answer or reject phone calls anytime and anywhere.<br> 5. Charged via USB, rechargeable battery, convenient and practical.<br> 6. Playing time up to 8~10 hours, and continue talk time up to 8 hours, standby time up to 148 hours.<br> 7. Good quality, foldable design and adjustable length hinges, very comfortable to wear and easy to carry.<br> 8. Best choice for listening music, watching movie, chatting online etc.<br> 9. With SD card insert,without any bluetooth device,can still enjoy music any time any where.<br> 10. Rainbow color cat earphones, children's holiday gift earphones.<br> Specifications:<br> Specofication<br> Bluetooth Version V5.0<br> Frequency 2.40 GHz-2.48 GHz<br> Power 4 dBm, Class 2<br> Effective range 10M<br> Sensitivity 105db / 0.1% Ber<br> Frequency response 20Hz-20kHz<br> S / n rate 110 dB<br> Distortion 0.10%<br> Speaker size 40mm<br> Support A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5<br> Voltage 3.7vdc (400 mAh rechargeable battery)<br> Talking time 8 hour<br> Music time 6 hour<br> Standby time 148 hours<br> Charging time 1.2 hours<br> Current 20 mA<br> Operate temperature -4 ~ + 131 F (-20 ~ + 55 C)<br> Package Included:<br> 1*Headphone<br> 1*Charing cable<br> 1*Audio cable<br> 1*Manual