ROCK X718 Ear Hook Bluetooth 5.4 OWS Headset Wireless Earphone - White •New Upgraded Bluetooth 5.4 Faster,More Stable and Lower Consumption: Equipped with the new Bluetooth 5.4 chip technology,the transmission speed,power consumption delay,and other performance are improved. The signal stability and penetration are strong,offering better sound and picture synchronization for a silky game experience •30 Hours Long Battery Life Enjoy and Return: The 400mAh large-capacity charging case ensures long endurance and extended listening,providing immersive enjoyment for your ears •IPX4 Waterproof and Sweat-Proof Enjoy Exercise: With IPX4 waterproof and sweat-proof protection,it allows you to exercise freely,listening to sound or taking calls anytime,anywhere without fear of sweat •Open the Cover and Connect to Match No Need to Repeat Connections: Equipped with a Hall switch,simply open the case to automatically pair and connect the earphones. Seamless switching between single and dual ears is available continuously •ENC Noise Reduction: Built-in ENC technology reduces background noise for clear,uninterrupted calls and quiet conversations •Specification: •Battery: 400mAh Polymer Lithium Battery •Bluetooth Version: Bluetooth 5.4 •Power: 5V = 0.5A •Battery Life: •Music Playback: 3.5-4 hours •Calls: 3-3.5 hours •With Charging Case: About 30 hours or more •Material: ABS + Electronic Components + PET Package included: •1 x Pair of Bluetooth Earphones •1 x Charging Case •1 x English and Chinese User Manual