Description:<br>Brand: Letv LemeBluetooth Version: Bluetooth 4.1Suport Audio Protocol: A2DP1.2， AVRCP1.4， HFP1.6， HFP1.2Digital Signal Processing: 6.0 Clear Voice Capture technology (noise suppression and echo cancellation)Drive Type: 40mm Dynamic UnitFrequency Response: 20Hz~20KHzImpedance: 32&amp;Omega;<br> Speaker Rated power: 20mW<br> Headphones Rated power: 52mWSensitivity: 108dB&amp;plusmn;2dBCharging current: 200mASNR: &amp;ge;90dBDistortion: &amp;le;3%<br> Battery type: Lithium-ion polymer battery 195mAh<br> Music playback time: 10 hours<br> Talk Time: 10 hours<br> Standby time: 26 days<br> Charging time: 2 hours<br> Charging Interface: Micro USB type B<br> Wireless transmission distance: Accessible block: 10M<br> Built-in microphone: Yes<br> Microphone Sensitivity: -42dB<br> Headphone type: Full-size (Universal)<br> Earmuffs Type: ear type<br> Headset Weight: about 240g<br> Headphones Dimensions: (L * W * H): 180 * 176.8 * 62.8 mm Color: Red， Orange， Pink，   Features:  1.Water droplets design headphones. 2.With a 40 mm moving coil unit horn， triple frequency equilibrium， performed particularly well on the density of the bass. 3.Uses the line of headphones to fit the ear， form close without oppression semi-enclosed cavity. 4.Support bluetooth 4.1， compatible with most cell phone， tablet and smart TV. 5.Headphones on the right side of a built-in high sensitive microphone， and DSP ultra clear timbre and CVC6.0 noise reduction technology， can eliminate the phone of the intelligent external noise.  Package Included:  1 X LETV Leme Bluetooth Water Drop Hands-free Headphone