Neckband Wireless Bluetooth Sports Earphones Gold

Wireless version: 4.2
-Operation distance: 10m
-Range of frequency: 2.402 to 2.480GHz ISM band
-Type: stereo earphone with MIC
-Speaker: $ 10mm
-Sensitivity: 115dB S.P.L at 1 KHZ
-Impedance: 32 ohms
-Frequency response: 20HZ-20KHZ
-Rated Power: 2 ? 20mW
-Rechargeable lithium battery: 110 mAh
-Smart Power Save Mode: If not connected BT mode, it will turn off automatically after 8 minutes.
-Allow you to enjoy digital-quality music wirelessly and convert between music and phone calling
-Music time: up to 4 hours

Package Weight: 112g

Package Dimensions: 16cm x 3cm x 18cm

Package Includes:
1 x Sports Wireless Bluetooth Headphone
1 x Charging Cable
1 x Manual