RAYHAYES Voice Amplifier Teachers Multifunctional Loudspeaker Rechargeable Wireless lapel Mic with Bluetooth for Teaching

Feature:✔️Detachable 1 8650 battery✔️The battery capacity is 1200mAh. It can be used for 8 hours. Play music for about 4-8 hours (volume 50%-80%).✔️Charging using a standard USB cable✔️Can be charged using a variety of standard USB chargers1) It is recommended to share the mobile phone charger for charging.2) Charger current is greater than 500mA✔️Knob volume control✔️The knob controls the volume, which is very convenient for most users.✔️Suitable for: teaching, tour guides, promotions, meetings✔️Support USB disk and TF card to play musicSpecification:✔️Audio power: >5W✔️Battery capacity: 1200mAh✔️Charging: use standard USB 5V (can use mobile phone charger)✔️Roduct weight................200 g✔️Product size................... 85 * 85 * 34 mm✔️Audio formt.................... MP3/ MAV✔️Speaker......................... 2.5 "* 1✔️Charging voltage........... DC5.0 V✔️Working voltage............ DC3.7 V✔️Model............................. K400