Main Features: Fashion appearance makes it cool Ergonomic design for your wearing comforts High-definition stereo music, more clear Easy operation for on-cord calls / song switch control Intelligent noise-canceling, high-definition enjoyment 3.5mm audio jack, compatible with most of phones, computers, and potable media devices Brand: SONGFUL Model: F1 Wearing type: In-Ear Function: Answering Phone,Microphone,Noise Cancelling,Song Switching,Sweatproof Language: English Material: TPE Connectivity : Wired Application: Computer,For iPod,Mobile phone,Portable Media Player Cable Length (m): 1.2m Driver unit: 9mm Frequency response: 20~20KHz Impedance: 32ohms±15 percent Sensitivity: 101dB ± 3dB Package weight: 0.064 kg Package size (L x W x H): 18.00 x 9.50 x 1.50 cm / 7.09 x 3.74 x 0.59 inches Package Contents: 1 x SONGFUL F1 In-ear Earphones 1 x Clip 2 x Pair of Tips