Model No. JRV-BTNH300
Product Size: Neckband length: 16"
Earbuds: 0.85 X 0.5 X 0.5
Product Weight: 1.1 oz
Charging Input: DC 5V , 500mA
Bluetooth Version: 4.2
Wireless Profile: HSP, HFP, A2DP and AVRCP
Wireless Range: About 33ft.
Battery Charging time: Up to 2 hours
Play Time: Up to 7 hours
Actual performance may vary due to the user's habits, different modes of operation, and mobile phone settings.