GOTOTOP BT Eyeglasses - 7H Playback Voice Control

Seamless Experience: Enjoy immersive sound with Smart BT Eyeglasses, perfect for driving, studying, or working without obstructing your ears. Voice Control Convenience: Manage calls and music effortlessly with voice command functionality, enhancing multitasking capabilities. Long-lasting Playback: Experience up to 7 hours of continuous music playback powered by a 180mAh built-in battery, ideal for extended use. Lightweight & Comfortable: Designed with a lightweight frame at only 192g, ensuring comfort during prolonged wear while on the go. Versatile Compatibility: Bluetooth 5.4 allows seamless connection with devices up to 10 meters away, enabling quick and easy access to your favorite . Item Type: Smart BT Eyeglasses Material: PC, TAC BT Version: V5.4 BT Name: L3 Communication Distance: 10 meters Compatible with: Devices with BT function Battery: 180mAh battery(built in) Charging Time: 1-2 hours Size: Approx. 170x145x18mm / 6.69x5.71x0.71in, Lens Approx. 51 x 42mm / 2.01 x 1.65in Working Frequency: 2.402GHz-2.480GHz Transmission Power: Levels 2, MAXIMUM4dbm Sign To Noise Ratio: -85dBV Distortion:Operating Frequency: 20Hz to 20KHZ Speaker Specification: F10MM BOX Speaker Impedance: 8 ± 15% Ω Speaker Power: 0.5W Short Term Maximum Power: 0.7W Charging Time: ≤ 2H Static Current: ≤ 5uA Microphone Sensitivity: -42 ± 3DB Continuous Music Playback Time: About 7 hours (80% volume) Working Current: ≤ 30mA (the larger the volume, the higher the current) Weight: Approx. 192.00g / 6.77oz 1 x Glasses 1 x Charging Cable 1 x Storage Bag 1 x Dust Cloth 1 x User Manual