Bluetooth stereo headphone 1. Buletooth Headphone 2. Good bass sound 3. Colorful design and OEM Packaging 4. CE/ROHS/REACH

Bluetooth stereo headphone1. bluetooth headphone function2. Good bass sound3. Colorful design and OEM Packaging4. CE/ROHS/REACH

Features:

Features:Supported Bluetooth of music device including PC,Mobile phone, MP3,notebook.Version: Bluetooth V2.1+EDRReceiver distance: 10M (360°)Carrier frequency: 2402MHz-2480MHzPlug: USB 2.0Battery: Li-ion battery 4.2V 320mACharging Working Voltage: DC 5V 500mA or adaptor DC 5V 500mAPlaying time: about 12 hoursFrequency Response: 20-20KHzS/N: 82dBSpecifications:Driver Unit: 40mmImpedance: 32 ohmsSensitivity: S.P.L: 108dB S.P.L.at 1KHz Rated power:20mW Aggregate capability:40mWFrequency Response:20Hz-20,000Hz