T&G Portable Wireless Bluetooth Speaker TG133 T&G TG-133 Big Portable Bluetooth Speaker with Phone Holder FM Radio, Micro SD Card Slot, USB Flash Drive, Wireless Bluetooth Speaker, AUX Auxiliary Cable Input. Loud volume & good bass sound quality; room filling sound, perfect for home, dorm room, kitchen, bathroom, car, parties; Clear, full-range sound you might not expect from a compact speaker. Voice prompts make pairing your devices easier and better indication. Premium compact loudest portable Bluetooth wireless speaker Built–in high capacity rechargeable battery to take your music wherever you go with the battery playtime based on the music volume BT:4.2 Working distance: 10M. SNR: ≥90db. Battery: 3.7V 1200mah Normal volume playing time:2-3 hours Speaker driver: Φ25mm *2 Power: 4Ω/5W*2 Unit size: 105*105*183mm Unit weight: 628g Charging: 5V/500mah Charging time:3-4 hours