Colorful Best Headphones Wirele Bluetooth 5.0 Headphone Built-in Mic Soft Earmuffs Sport Headset Stereo Sound For Phone Outstanding Sound Quality The closed-back design provides you an impreive sound quality and Hi-Fi stereo delivers amazing music and voice clarity. Enhance your phone call quality and the enjoyment of music listening experience. Durable Headphone Up to 400 mah battery capacity with only 3 hours fast charge, allows 20 hours continuous song playing, 15 hours phone answering and 360 hours standby time. And the protection board provides overcharge protection and short circuit protection, ensure the safety of batteries to keep the battery life last longer. Hi-Fi Sound, Stable Performance with Bluetooth 5.0 Low power lole transmiion Bluetooth Version 5.0 chip, with 2.4mbits/s transmiion speed. It supports 99% of the devices that out of the market. Such as: Phones, Tablets and other equipments that with Bluetooth function. Foldable And 360 Degree Surround Sound Effect Foldable designed allows headphone to be carried easily. 80MHZ independent CPU intelligent operation, track switch become more comfortable. High fidelity without distortion, it restores the real sound quality and music transparent. Ergonomic design and Noise Cancelling Ergonomic design is the protection of auricle from compreion.It provide paive noise reduction, largely ensures your using experience. Several sound scene for optionsEQ button support 5 sound scene,delivery different music enjoyment Multi-founctional headphoneBluetooth V5.0+TF card playing+FM radio+wired playing Bluetooth Version V5.0+EDR Frequency 2.40GHz-2.48GHz Power 4 dBm, cla 2 Effective range 10M Sensitivity -84dBm / 0.1% BER talking speed 3M bps (asynchronous) 433.0 Kbps (synchronous) Frequency response 20 Hz - 20 KHz S/N rate 70 dB Distortion 0.10% Speaker size 40mm support A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5 Voltage 3.7VDC (built-in 400MAH rechargeable battery) talking time 20hour standby time 360hour charge time 2.5-3hour current 20 mA turn off current 2 ~ 10 A operate temperature -4 ~ +131F(-20 ~ +55C) Bluetooth headphone SG-8 *1 Instruction manual *1 USB charge cable *1 1) We have alipay,,TT.ALL major cards are accepted through secure payment procor WSCROW.2) Payment must be made within 3days of order.3) If you can't checkout immediately after auction close,please wait for a few minutes and retry Payments must be completed withun 3 days. 1) We arrange shipment from Monday to Saturday.We ship out the goods within 48hours except National holiday. 2) It takes approximately 25~41 days (to Ruia). 10~30days (to Europe, USA, AU) Other countries 40~60 busine days, the exact delivery time depends on the postal proce. 3) If you do not receive your winning item(s) within 30 busine days,please timely leave a meage or E-mail contact us, we will do our best to solve any problems with you. 4)We only ship to the aliexpre order addre,please make sure it must be correct. 1) We automatically leave positive feedback to every buyer to complete the transaction. 2)We maintain high standards pursuit of 100% customer satisfaction! Feedback is very important to us. 3) Good communication can solve all the problems, if you have any question, please contact us freely,we will promptly solve the problem as we can. 1)We strive for 100% satisfaction 2) We guarantee the item you purchase is the item we described here, and is in the condition described. 3) If the item arrives and is not as described,please contact us to return the item for exchange. 4)Return cannot be accepted for any other reason. 5)Please report within 3 days and return to us within 7 days from the received date for exchange.