Super Long Stand-by Time Bluetooth Earphone

Product Name: Bluetooth Earphone

Model: M21

Talk time: 24 hours (90% volume)

Standby Time: Up to 60days

Charging time: 2hrs

Battery: Lithium battery- 3.6V 150mah

Wireless frequency range: 2.402GHZ-2.480GHz

SPL: >/90DB

Operating Distance: 10meters