VicTsing Wireless Bluetooth Earbuds Stereo Headphones Headsets Microphone Black with AC Wall Charger for iphone 4 4S 5 5S 5C ipad 2 3 4 New iPad ipod Android Samsung Galaxy Sony Xperia HTC ONE Nokia Google Nexus 7 Smart Phones Bluetooth Tablets Devices - Behind-the-head & Handsfree Design
Specifications:1. Bluetooth Version: 1.2/V2.1, wireless transmitter standard of class II.2. Frequency Coverage: 2.402~2.480GHz ISM band.3. Sensitivity: -80dbm4. Transmit Range: 10m5. Transmit Speed: 57~723Kbps6. Stereo Compression Ratio: 44.1/48kHz7. Channel: 79 channels of 1MHz, B/W8. Contact Terms: Point-to-Point9. Battery: Li-ion10. Charge Power : PC USB, 5V11. Charging Time: 1-2 hours12. Charge Power : PC USB, 5VHow to Activate a Bluetooth Headphone:1. Before you start using the headset, please use the USB charge cable to charge it first.2. Pairing, press the power button of the headset for 10 seconds or longer until you see the red-yellow light blinking alternately.3. Make sure you turned on the bluetooth on your phone, search headset model on it. (The headset support the laptop which with built-in bluetooth adapter or inserted in a third party bluetooth adapter)4. Select the Bluetooth model and click connect. (Enter the password or code 0000 if needed.)Package include:1x Bluetooth Stereo Headphone1x USB Charging Cable1x AC Charger adapter