Brand Name: Lenovo Model: HE05 BT Version: 5.0 Material: Metal, Silicone, TPE Transmission Distance: 10m (no obstacle) Waterproof: IPX5 Dustproof: IP6X Battery: 3.7V / 80mAh Working Time: about 8 hours Standby Time: about 120 hours Charging Time: about 2 hours Horn Diameter: 10mm Speaker Sensitivity: 98dB Frequency Response Range: 20-20kHz Item Weight: Approx. 33g / …
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