Product specifications:

Bluetooth Version: V4.1

Sound Mode: Stereo

Chip: CSR8645

Charging time: 2 Hours

Standby time:120 Hours

Talk/Playing time:5 hours

Operatin distance:10 Meters

Connect 2 phones: Yes

Power Source: Built in Rechargeable Battery

Size: 40 X 23 X 32m/ 1.58 X .95 X 1.26 inch

Weight 16g/.56 oz

Package includes:

1 sport bluetooth headset

1 Usb charger cable

2 sets extra sized earbuds smaller and larger