New STN29 head-mounted wirele bluetooth little devil headset noise reduction mic RGB light music headset supports TF card IPX5 Features 1.Upgrade devil Bluetooth EDR colorful light headphones 2.RGB three-color LED lighting, omnidirectional equal-light colorful effect 3.EDR colorful LED light devil ear 4.Independent devil ear & LED lights design dazzle color lights Cute and boy's heart 5.Bluetooth 5.0 HIFI Stereo surround Great Sound 6.40mm diaphragm Loudspeaker coil Medium and high frequency bright 7.400mAh Large capacity battery 8.Plug 3.5mm jack cable listen to music directly listen to music outside anytime 9.Convenient Foldable and Comfortable to wear 10.Light and foldable features make it easy to carry Protein ear cups foam let you feel comfortable no matter 11.Great Sound with stereo HD microphone and Smart Noise canceling 12.Bring you the best music experience rich and strong ba, crisp and clear Product Details Model NO: STN29 Bluetooth Version: V5.0 Frequency: 2.40GHz-2.48GHz Power: 4 dBm, cla 2 Effective range: 10-15M Sensitivity: 108dB Frequency response: 20 Hz - 20 KHz S/N rate: 85dB Distortion: 0.10% Speaker size: 40mm Transfer Protocol :support A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5 talking time: about 8-12hours Music time:about 8-12hours standby time: about 200hours charge time:2-3 hours operate temperature: -4 ~ +131F(-20 ~ +55C) Packing details 1 x Bluetooth headset. 1 x Charging cable. 1 x 3.5mm audio cable. 1 x Chinese and English user manual.