HAVIT I37s NECKBAND

·  Weight : 22g

·  Bluetooth version : 5.0

·  Product dimension: 395*105*20mm

·  Wireless operation range : 10m (without obstacles)

·  Charging means : Micro USB Cable

·  Battery : 120mAh

·  Input Voltage/ current: 5V / 200 mA

·  Talk time : up to 12 hours

·  Playing time : up to 10 hours

·  Standby time : up to 150 hours

·  Charging time : about 1.5 hours