Description: Sport exercise headphone, with HD music play, enjoying music and other audio when doing exercise! Highly compatible Bluetooth 4.0, you can connect the headphone easily with your phone. It also has built-in microphone, which can answer the call conveniently without holding your phone. Special magnet attached design prevents tangles when 2 plugs stick together. Light weight makes you easy to wear it even a long time. Features: Model: Awei A920BL Profile support: HSP / HFP / A2DP / AVRCP Cable length: 600mm Support multi-point connection, connect with two different devices at the same time Can call or answer the phone Support voice report number automatically Support voice reminding function With power consumption display function for iPhone With vioce controlling function Support song switching CVC 6.0 smart noise reduction Specification: Wearing type In-Ear Function Song switching, Multi connection function, Bluetooth, Voice control, Answering phone Driver unit 11.5mm Sound channel Two-channel (stereo) Frequency response 20-20000Hz Impedance 16ohms±15 percent Sensitivity 110dB + / - 3dB Output power 10mw Talk Time 6h Music Time 4h Standby time 200h Charging time 1h Bluetooth version V4.0 Bluetooth distance W/O obstacles 10m Package weight 0.102 kg Product size (L x W x H) 65 x 2.4 x 1.2 cm / 25.55 x 0.94 x 0.47 inch Package Included: 1 x Awei A920BL Bluetooth 4.0 Headset 1 x USB Charging Cable 1 x Bilingual User Manual in English and Chinese 2 x Pair of Earbuds 1 x Cable Clamp 1 x Pair of Ears Caps Ships in 7 business days. It is shipped from China. Delivery is provided by China Post Air Mail. Delivery time depends on the couriers, local customs in your country also holidays, weather conditions. Usually it takes from 39 to 60 days, depending on the customs at your country.