• Advanced Noise Reduction: Enjoy crystal-clear calls with the 4 Mic ENC technology, reducing background noise for a superior calling experience
• Ergonomic Comfort: Designed for comfort, these wireless earbuds feature an ergonomic design ensuring a snug fit and extended wear without discomfort
• HIFI HD Sound Quality: Immerse yourself in high-fidelity audio with thick and powerful bass, delivering an enhanced music and audio experience
• Touch Control: Effortlessly manage calls and music playback with intuitive touch controls, providing a seamless and convenient user experience
• Intelligent Voice Call: Stay connected with intelligent voice calls, making communication easy and hands-free, enhancing your overall listening and calling experience

Specifications:

• Bluetooth-compatible version: 7003D4 V5.3
• Supported protocols: HSP, HFP, A2DP, AVRCP
• Headphone battery capacity: 35mAH*2 (without protection board, headphone board lithium battery protection IC)
• Charging case battery capacity: 300mAh (with protective board)
• Drive unit: φ13mm
• Charging time: 1.5H
• Call duration: 7H
• Play time: 6H
• Standby time: 300H
• Speaker sensitivity: 93±3dB
• Speaker impedance: 16Ω
• Input charging standard: DC 5V
• Bluetooth-compatible working frequency: 2.402G-2.480G
• Frequency response range: 20HZ-20000HZ
• Maximum transmission distance: 10m
• Voice prompt: Support
• Multipoint connection: not support
• Wearing method: In-ear
• Interface: TYPE-C
• Waterproof level: IPX6 waterproof and sweat-proof (only for headphones, the charging case is not waterproof)
• ENC noise reduction depth (4-mic call noise reduction): >-40dB