Product Description Model: BBH2109 Wearing Style: Flat foldable design for easy portability Bluetooth Version: 5.2 with a 10-meter working range Battery Capacity: 400mAh Lithium Polymer Materials: Silicone and ABS with electroplating Speaker Size: Large 40mm drivers Battery Life: Up to 70 hours of working time (at 30% volume) Microphone Sensitivity: 108 ± 3dB Charging Time: 2 to 3 hours via USB-C port Connectivity: Dual interface with USB-C and 3.5mm Aux port Weight: 203g Color: Black Included Accessories: User manual, Micro USB cable, and 3.5mm audio jack
