- Promotional Wireless Bluetooth Speakers
- 2017-09-10 00:08
- Model Number: BK28BL Brand Name: Penzo Key Specifications/Special Features: Promotional wireless Bluetooth speakers, good for promotionFrequency response: 2.402-2.480GHzSensitivity: 85±3dB 1W/MImpedance: 4ΩTransmission distance: 10mData transmis...