BS-E33 Echo · Bluetooth Earbuds | BLUESEED
Zhongke Bluexun 5656D Bluetooth 5.4, 10-meter unobstructed transmission, 14 mm speaker. 3.7 V/320 mAh polymer battery, 15–20 hours battery life, automatic power-off after 5–8 minutes. Type-C port, supports volume/song control, answering calls, music/game mode, TF card, and battery level display.
BS-E33 Echo · Bluetooth Earbuds
Bluetooth version: Zhongke Bluexun 5656 DV5.4 Transmission distance: 10 meters (without obstacles) Speaker diameter: 14 mm, usage time: 15–20 hours Standby time: automatic power-off after 5–8 minutes Polymer battery: 3.7 V / 320 mAh Charging port: Type-C charging port Functions: volume adjustment, song switching, answering calls, music mode adjustment, game mode, TF card management, battery level display.