P959 Over-Ear Headphone Wireless Bluetooth Gaming Headset Earphone for iPhone - Green Fast Bluetooth Wireless Connectivity: Bluetooth 5.3 connection,much faster pairing and stable performance Litsten to Music Easily: 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 version: 5.3 Chip type: Bluetrum (model: 5605B) Battery type: polymer lithium battery Function: Bluetooth,AUX (3.5mm round hole),card (TF,card not included),FM (FM function,press and hold two buttons at the same time to switch) Buttons: Left round knob button: single press: pause/play Rotate to adjust the volume: turn left (lower) turn right (increase) Press twice: next song Press three times: previous song Right button: power on/off Battery capacity: 350 mAh,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: barrier-free connection within 10 meters Transmission power: 5V 1A Speaker sensitivity: 1133dB Frequency range: 20-20000Hz Signal-to-noise ratio: 88dB Impedance value: 32 Package included: 1 x Data Cable 1 x Headphone 1 x English and Chinese User Manual Other things not included