Function: For Mobile Phone,Sport,Common Headphone,For iPod Support APP: No Line Length: None Brand Name: FORNORM Communication: Wireless Support Apt-x: No Support Memory Card: No Vocalism Principle: Dynamic Is wireless: Yes Sensitivity: 110±3dB Style: In-Ear Plug Type: Wireless Frequency Response Range: 20-20000Hz Volume Control: Yes Model Number: Earpiece Active Noise-Cancellation: Yes Waterproof: No Resistance: 16Ω Connectors: USB With Microphone: Yes Control Button: Yes Wireless Type: Bluetooth Material: ABS Bluetooth Version: V4.1 + EDR Wireless Mode: Hands free, headset, AV/AV RCP profile Bluetooth Working Range: Max 10m/33ft Battery: 50mAh Li-po Battery Charge Time: 1-2 hours Talk Time: About 6H Music Time: About 5H Standby: 120H Item Size: 2.8*1.4*2.1cm/1.1*0.6*08"(L*W*H)