Product Feature: This product is with large 15W output, which enables sound to be transferred and heard in large place. If the sound still not large enough for you in larger place, you can use the FM transmitting function of this product with some FM radio speakers together to make every corner can hear the sound, as long as the radio speakers' output and quantity are large enough. This product is suitable for using in many field such as singing, meeting, tour guiding, teaching and so on. Product selling points 1. When connect to the singing APP of your mobile phone, iPad and so on, you can sing karaoke as in KTV 2. Can work as wireless microphone, a good helper in teaching, speech, selling and so on 3. Support Advanced Audio Distribution Profile (A2DP). After Pairing with Bluetooth devices, then you can enjoy music wirelessly 4. With 87.5/108MHz FM transmitter, can use with some radio speakers together to make every corner can hear the sound 5. With 2pcs 2000mAh rechargeable 18650 lithium battery, can be charged by connecting USB charging cable to computer or USB power adapter, or by universal charger, etc 6. Charging indicator will turn green after fully charged 7. Made of ABS plastic(UV shell).
Specifications: 1) Input power: 5V 1000MA 2) Maximum output: 5W*2 3) Battery capacity: 2000mAh rechargeable 18650 battery 4) Bluetooth Version: 2.1 5) Signal to Noise: 87dB 7) Frequency response: 100HZ-18KHZ 8) Loud Speaker: 52MM 4Ω 15W 9) FM 87.5/108 transmitting distance: about 20 meters 10) Effective Bluetooth connection distance: 10 meters 11) Charging time: 4-5hrs 12) Play time: 3-10hrs