Fast Bluetooth-compatible Wireless Connectivity: Bluetooth-compatible 5.3 connection, much faster pairing and stable performance Litsten to Music without Limit: 10 meters wireless transmission distance, free from wire constraints Powerful Diver: Built-in 40mm powerful driver units are built in in the headset for super bass sound quality and better hearing experience Comfortable to Wear: The soft earpads will not give you strong pressure when listening to music or playing games Easy to Carry: It's lightweight and compact, convenient to put into your bag for storage and carrying Specification: Bluetooth-compatible version: 5.3 Chip type: BLUETRUM (model: 5605B) Battery type: polymer lithium battery Function: Bluetooth, AUX 3.5mm jack, card slot (TF), FM Features: Three sound effects can be switched in Bluetooth-compatible mode Battery capacity: 350mAh, with protection board Charging time: about 2 hours Usage time: about 10-12 hours Standby time: about 150 hours Speaker: 40mm large dynamic coil Charging port: Type-C Transmission distance: within 10 meters Transmission power: 5V 1A Speaker sensitivity: 113±3DB Frequency range: 20-20000hz Signal-to-noise ratio: 88DB Impedance value: 32Ω Package included 1 x Data Cable 1 x Headphone 1 x English and Chinese User Manual Other things not included Specifications Brand N/A Color Black Packaging Type Colored Box Plug Type (For Supply) N/A User Manual (Language) English and Chinese Gross Weight 0.412kg Volume Weight 0.690kg Package Length 22.000cm Package Width 20.000cm Package Height 7.000cm