ITEM NAME:E180 Sweatproof Bluetooth Earphones Sport Stereo Bass Earbuds w/In-Line Mic #SFD Product Description Description: E180 Wireless Sweatproof Noise Reduction Neckband Earphones Bluetooth 4.2 Sports Stereo Bass Earbuds with In-Line Microphone Features: 1. Fashion, Compact and portable. 2. Waterproof and sweatproof, Good companion for outdoor sports. 3. Ergonomic design, close fit, not easy to fall. 4. Bilateral stereo sound, shocking sound. 5. Volume adjustment, song switching, call answering, multi-function. Specification: Brand: Neutral Bluetooth Version: V4.2 Frequency Response Range: 20-20KHz Working Distance: 10m/32.81ft Impedance: 16ÃŽ © Sensitivity: 100dB  ± 3dB Plug: DC 5V Battery: 3.7V 50mA Working Temperature: -40 °C-80 °C Life Time: ≠¥ 4H Standby Time: 120H Function: Volume Adjustment, Song Switching, Call Answering/Rejection, Bluetooth Playback, Power Display, Intelligent Shutdown Product Size: 100 X 100 X 5mm/3.94 X 3.94 X 0.2" Packing Size: 120 X 120 X 10mm/4.72 X 4.72 X 0.39" Net Weight: 20g Gross Weight: 80g Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. Included: 1 X Bluetooth Earphone.Bluetooth Version: V4.2. Included: 1 X Bluetooth Earphone. Bilateral stereo sound, shocking sound. Working Distance: 10m/32.81ft. Ergonomic design, close fit, not easy to fall. Net Weight: 20g. Gross Weight: 80g.
