Features: waterproof, With Microphone, Active Noice Cancelling Function: Monitor Headphone, for Video Game, For Mobile Phone, HiFi Headphone, Sport, For Hearing Aid, For Outdoor, For Office, For Study call function, music, multipoint connection Product description: Memory: 4G Playback time: 5 hours Standby time: 2000 hours Charging time: headset 1 hour, charging compartment 3 hours Speaker: F13.2 Real Copper Ring Speaker Battery Capacity: Headset 35mah, Charging Bin 1200mah Features: Outdoor MP3 with Bluetooth Headset, Android Universal Maximum wireless range[m]: Less than10m NFC Technology: YES Sound Isolating: YES Charging : Charging case Impedance Range: up to 32 Bluetooth Version: 5.0 Is wireless: Yes Support Memory Card: Yes Waterproof: Yes Active Noise-Cancellation: Yes Volume Control: Yes Control Button: No Vocalism Principle: Orthodynamic Wireless Type: bluetooth Connectors: USB Communication: True Wireless Style: In-ear wearing mode: Earplug type Wireless headset 1: Wireless headset Phonation principle: Dynamic circle use: Sports headset Material: plastic colour: white Package Contents: 2 x Earphone 1 x Charging compartment 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.