Product Specifications:

Brand: BIAZE

Model: D77

Type: In-ear TWS Bluetooth Earphones

Design: Open-ear, Cloud-like Comfortable Fit

Bluetooth Version: V5.4

Battery Life: Up to 55 hours

Design: SF·Ears Ear-Fitting Design

Sound Quality: HIFI, Dynamic Spatial Sound Effects

Comfort: Ergonomic U-shaped Ear Clip Design

Noise Cancellation: IDENOISE ENC Algorithm

Connectivity: Bluetooth 5.4, Low Energy Consumption

Weight: 6g

Compatibility: Made in China, FCCE Certified

Features: Directional Live Surround Sound, Pulse Directional Sound Transmission Technology

Additional Features: ENC Noise Reduction Algorithm, Air-like Comfortable Fit, Memory Silicone Ear Hooks

Audio Quality: Hi-Fi Audio Decoder, Digital Sound Enhancement Technology

Speaker Size: 12mm Dynamic Coil Speaker

Control: Single-hand Operation for Music Playback, Call Answering, and Voice Assistant Activation

Charging: Type-C Charging, Quick Charge in 1.5 hours

Transmission Distance: >10m

Battery Capacity: Earphones - 70mAh, Charging Case - 450mAh

Charging Voltage: DC5V

Talk Time: Up to 8 hours

Accessories: User Manual, Type-C Charging Cable

Note: Actual battery life may vary depending on volume levels, connected devices, and usage habits.