Hoco BK3 Wireless Microphone

Model: BK3, Type: KTV Microphone, Wireless Version: V4.2JL Microphone Material: ABS Aluminum Alloy Size: 235 x 88 x 88 mm, Weight: 285 g, Speaker Diameter: 45 mm, Battery Capacity: 1800 mAh (removable 18650 battery), Charging Time: 3 hours, Music Playing Time: 5 hours, Reverberation Effect: Yes, TF Card Support: Yes (maximum capacity: 32 GB), Connectivity: Wireless (connects to phone),