Item Type: Bluetooth Speaker Shell Material: ABS Wireless Version: 5.0 + EDR Wireless Distance: Approx.10m/32.8ft(Maximum) Output Power/Speaker Type: 2x5W/4Ω Speaker Size: Approx. 57mm/2.2in FM Frequency Range: 87-108MHz Built-In Rechargeable Battery: 3.7V / 1500mAh, Built-In Lithium Ion Battery Power Input: DC 5V (1A) Micro Memory Card/USB Flash Drive: Maximum support 32GB (NOT Included) 1、Wireless speakers, support wireless technology, working distance up to 10 meters, can work with mobile phones, laptops, desktops, tablets, etc. 2、True wireless stereo TWS speaker, supports wireless connection of 2 same devices, has hands?free function, supports phone call function. 3、Support external microphone, equipped microphone can be used to sing (the FM mode does not support the use of an external microphone). 4、More play modes, support USB / Micro memory card, support MP3, WAV music format. 5、FM radio function, a high?sensitivity car radio chip that can transmit high?sensitivity radio signals. 6、Auxiliary audio function, the speaker supports auxiliary audio function through 3.5 mm auxiliary cable. 1 x Microphone 1 x Microphone Cable 1 x Speaker 1 x Audio Cable 1 x Charging Cable 1 x Manual 1 x Strap