C6a Outdoor Chuck Wireless Bluetooth Car Speaker Suction Cup Speaker, Support TF Card Features: 1. Outdoor Bluetooth speaker, built-in Bluetooth 4.0 + EDR wireless transmission, working distance up to 10 meters. 2. Compatible with all Bluetooth devices, such as smart phones, tablets, iPODs... 3. Bluetooth chip, clear sound, strong bass and can enjoy unhindered stereo music, anytime, anywhere, when you are out. 4. Stereo audio transmission protocol. 5. Support playing MP3 songs stored in TF card. Specifications: Bluetooth version: V4.0 Reception distance: 10 meters and below Output power: 3W THD + Na?¤10% (1KHZ0dB) Frequency range: 120hz-22khz Waterproof level: IPX3 Working time: 2 hours Distortion: <0.5% Speaker parameters: 45mm 4?? 3W Battery capacity: 3.7 v 300 mah Charging time: 2 hours Signal to noise ratio: a?￥90dB Product size: 8.7 * 4.5 * 9.5 cm Product weight: 155g The package includes: 1 x Bluetooth speaker 1 xUSB cable 1 x carabiner