Features:

• Bluetooth v5.3,support most bluetooth devices and lower power consumption
• 250mAh charging case can fully charge 2 headphones around 5 times,give you more 24 hour music time
• with water resistance technology,no longer worry about water and sweat
• 13mm dual drive units, enjoy strong 9d deep bass music sound
• Touch control function, support switch songs, phone call and subscriber call.

Specification:

• Brand: Lenovo
• Product Model:XT81
• Colour: Black, White
• Bluetooth Version: V5.3
• Audio Decoding: AAC, SBC
• Communication Distance: 10M
• Earphone Capacity: 30mah-2
• Play Time: 4 Hour
• Charging compartment: 250mah
• Speaker Diameter: 13mm