Specifications:

Features: Microphone,Playback Controls,Calling Functions,Volume Control
Bluetooth Version: V4.0+EDR
Bluetooth Profiles:HFP1.6, HSP1.2, AVRCP1.4, A2DP1.2
Noise reduction:CVC6.0
Talking Time :3-4 hours
Music Time: 2-3 hours
Standby Time :175 hours
Charge Time : 2 hours
Transmission Distance:10m
Frequency Response:20Hz-20KHz
Speaker Impedance:16ohm
Sensitivity(S.P.L):110dB
Charging Interface:Micro-USB
Dimensions: 167.3mm(L) x 135.6mm(W)x 16.9mm(T)
Package Includes:

1 X Wireless Bluetooth HandFree Sport Stereo Headset headphone
1 X Micro USB
1 X User Manual

• Sweatproof and water resistant design.
• Bluetooth version: V4.1,Bluetooth Headset & Hands-free, Agreement: HFP HSP A2DP AVRCP APTX.
• Ultra-lightweight at 0.48 ounces, these earbuds do not cause any ear discomfort, and can be effortlessly worn all day. Includes S/M/L sport eartips and in-ear earhooks, so you will never worry about the earbuds falling out. The uniquely ergonomic design ensures a comfortable and secure fit for running, jogging, cycling and many other activities.
• Built-in microphone with CVC 6.0 digital noise reduction technology provides a crystal clear phone conversation even in noisy environments, for example, jogging in the street or working out at the gym. Premium Bluetooth earbuds for skip-free music outdoors.
• Perfect compatibility, support most mobile phones with bluetooth device,Pad and desktop computer.

Sweatproof and water resistant design.AutumnFall®