Wireless Bluetooth Headphones with Mic Hi-Fi Deep Bass Wireless Headphones Over Ear Wireless Headset with Aux-in

Technical Specification: ---Bluetooth CSR V4.0 ---Bluetooth effective range: 50 feet. ---Battery: 400mAh lithium battery. ---AC/DC input/output: 5V 1A ---Speaker: 1.2inch 32? ---Power RMS: 0.25W*2 ---Frequency response: 2.4GHz-2.48GHz ---S/N Ratio: 1023dB ---Support: Aux-in ---Charging time: 2hrs ---Playing time: 18hrs. ---Standby time: 180hrs. ---Unit dimension: 7.48*2.95*7.28inch ---Unit Weight: 210g Package content: Bluetooth headphone*1 USB charging cable*1 AV cable*1 User manual*1