Speaker Volume: Bass Booster 與 Speaker Boost - Volume Booster 使用情況與統計

Speaker Volume is a sound amplifier to increase volume of your video to 1000%. Do you have favorite videos? Are you bearing low-quality sound recorder？ Do you want to have a high quality volume speaker? Do you want to adjust the bass volume? Speaker Volume will boost your files volume to 1000% with high quality, and bass boost your music, allowing you listen to music offline! Subscription plans: ·Monthly $9.99, auto-renew ·Yearly $29.99, auto-renew Subscription information: ·Payment will be charged to iTunes account at confirmation of purchase. ·Subscription automatically renews unless auto-renew is disabled at least 24 hours before the end of the current period. ·Account will be charged for renewal within 24-hour prior to the end of the current period, and identify the cost of renewal. ·Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. ·Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Terms of Use https://sites.google.com/view/speakervolume-terms-of-use/home Privacy Policy https://sites.google.com/view/speakervolume-privacy-policy/home