Features:
Specially designed anti-shedding ear cap, wear more firmly.
IPX4 waterproof, sweat-proof and splash-proof.
Support phone p-ower display.
200h long standby time.
Magne-tic absorption design, automatic absorption, convenient to storage.
Specifications:
Item type: Headset
BT version: V4.2
Driver element: 10mm
Color: Black
Charg-ing time: 1-2h
Call duration: 6h
Music time: Approx. 5.5h
Support agreement: HSP/HFP/A2DP/AVRCP
Input charg-ing standard: DC5V 300Ma
BT operating frequency: 2.402G-2.480G
Optimum call distance: ＜1M
Maximum transmission distance: 10M
Package weight: 130g/4.58ounces
Package size: 160*100*30mm/6.29*3.93*1.18inches
Package list:
1 * Pair of earphone
1 * USB cable 
1 * Manual
3 * Pair of earplugs