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grell TWS-1 TWS Earphone User Guide

March 26, 2022
TWS Earphone Grell TWS-1 Quick Guide V0.1 Product Overview Operation First Time Pairing Before using the earphone for the first time, please fully charge the earphone and the charging case…

Drop + Grell TWS1X Wireless Audiophile IEM User Manual

July 2, 2022
Drop + Grell TWS1X Wireless Audiophile IEM Specifications ITEM TYPE: Closed-back DRIVERS: Custom-designed 10 mm dynamic drivers OPERATION: Glass touchpad and touch-sensor MAXIMUM SPL: 105 dB (1 kHz) FREQUENCY RESPONSE:…