🐱🐱Highlights: ✅The headband can be folded, compact design fits perfectly in your bag or backpack. ✅Bluetooth headphones works with smartphones, such as iPhone, iPad, Samsung, tablets and other Android devices. ✅It also comes with standard 3.5mm audio port, when you use audio cable to connect your headphone and device, the bluetooth mode will be closed, microphone works only in Bluetooth mode. 🐱🐱Specification: Model number:B39 ✔️Bluetooth Version: Bluetooth 5.0 ✔️Support Profile: Support:HFP/HSP/A2DP/AVRCP/APTX ✔️Working Distance Range: 10m ✔️Battery: 400mAh, Built-in rechargeable lithium-ion battery ✔️Charging Voltage: 5V/200mA ✔️Charging Time: About 1hrs ✔️Standby time: 180 hours ✔️Talking/Music Time: LED lights turn on for about 7hrs/turn off for about 10hrs ✔️Impedance: 32Ω ✔️Sensitivity: 105±13db ✔️Noise Reduction:CVC6.0 ------------------------------------------------------ 📦📦Package Include: 🌷1 x Bluetooth headphones 🌷1 x USB charging cable 💡💡Note: ●The colors deviation might differ due to different monitor settings. ●The pairing mode will be maintained for 5 minutes. If pairingand connection are unsuccessful beyond 2 minutes, theheadset will automatically switch to the stand-by mode. ●After pairing iscompleted, the headset and the handset willremember eachother, without pairing