Description: Immerse yourself in the world of music with these earphones. Experience worry-free battery life with a single charge lasting up to 5 hours and an additional 20 hours with the headphone charging case. The ACS spatial sound effect delivers a surging audio experience, ensuring high-quality sound components and faster response times. Enjoy the restoration of high-frequency bright music, rich mid-frequency tones, and deep low-frequency sounds. The dual-axis adjustment feature provides dual comfort by allowing you to adjust the headphone angle both horizontally and vertically to suit your personal preferences and usage needs. This design adapts to various ear and head shapes, ensuring the best wearing experience and optimal sound quality performance. Designed with excellent waterproof capabilities, these earphones are perfect for outdoor activities such as running, cycling, and fitness, allowing you to enjoy your favorite tunes without worrying about raindrops. With wide compatibility across various devices including mobile phones, tablets, and laptops, these earphones cater to all your audio needs. Upgrade your listening experience with these versatile and high-performance earphones. Item Name: Wireless Earbuds Material: PC, ABS Bluetooth-compatible Version: BT5.4 Charging Case Charging Time: 1.5 -2 Hours Charging Case Capacity: 300mAh Headphone Capacity: 40mAh Headphone Charging Time: 0.8 Hours Listening Time: 5 Hours Standby Time 30H Talk Time 4H BT Protocol: A2DP/AVDTP/AVCP/RFCOMM/HFP/HSP/SPP/HID BT Distance: ≥10 Meters Working Frequency: 2.402GHz- 2.480GHz RF Transmission Level: Class 2 Transmit Power: ≤9dBm Receive Sensitivity: -91dBm Audio Transmission Format: SBC/AAC SBC/AAC Audio Signal-to-noise Ratio: ≥94dB Frequency Response 20Hz ~ 20KHz Speaker Power: 3mW, Max: 5mW Speaker Unit RE16016-25 Φ16mm 16 Omega 20 Percent 3 Frequency Response Sensitivity: 125±3dB Distortion Rate: ≦5 Percent 1KHz Microphone: -42dB±3dB Features: Practical, Wireless, Waterproof Size Details: 10cm x 6.3cm x 2.8cm/3.94" x 2.48" x 1.1" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x Wireless Earbuds 1 x Charging Case 1 x User Manual Experience worry-free usage with a single battery life of 5 hours and an extended 20-hour playtime using the headphone charging case. Stay immersed in your favorite tunes without interruptions. Dive into a world of surging sound effects with high-quality components that deliver faster responses. Rediscover your music with bright high frequencies, rich mid-tones, and deep low frequencies for an unparalleled audio experience. Enjoy personalized comfort with a unique horizontal and vertical dual-axis adjustment feature. Tailor the headphone angle to fit your ear and head shape perfectly, ensuring optimal comfort and superior sound quality for extended listening session. Embrace outdoor activities without limits thanks to the exceptional waterproof design. Whether running, cycling, or working out, this earphone withstands raindrops, ensuring uninterrupted music enjoyment in any environment. Seamlessly connect to a variety of devices including mobile phones, tablets, and laptops for versatile usage options. Stay connected to your favorite audio sources wherever you go, enhancing your daily routines with convenience and flexibility.