Advanced Bluetooth 5.3 audio decoding chip supports connection to all Bluetooth devices with a reception range of up to 10m. Supports FM radio, allowing direct searching of stations in your listening area with clear, dynamic sound and distinct levels. Features multiple flashing LED light modes; lights can flash to the rhythm of the music, with switchable light effects. Directly reads memory cards and U disks, supports line-in audio, functions as a computer speaker, and can connect to phones, tablets, and TVs via Bluetooth for music playback. Powerful sound suitable for indoor and outdoor sports, racing, hiking, camping, parties, etc., delivering great music. Item Type: LED Bluetooth Speaker Material: ABS Weight: Approx. 495.0g/17.5oz Bluetooth Specification: V5.3 Bluetooth Name: for TG-157 Wireless Transmission Range: 10M Signal-to-Noise Ratio: ≥90db Battery Capacity: 1200mAh (Built-in Li-ion Battery) Built-in Voltage: 3.7V Normal Volume Playback: 3H Speaker Specifications: 45mmx2 Power: 5Wx2 Frequency Response: 120HZ-20KHZ Charging Voltage: 5V/500MA How to Use: Long press the power button to turn on, audio prompts will sound. Your mobile phone or Bluetooth-enabled device can search for TG-157 to play music, or connect a U disk, memory card, or audio cable to play.