【Product Name】Pure Bluetooth Flame Light Bluetooth Speaker[Bluetooth version] Jerry version 4.0 + TWS (automatic connection)[Standby time] 3-5 days【Playing time】About 8-10 hours[Charging input] 5V-1A【Battery capacity】2000mAh【Speaker Specification】45mm/4Ω/5W【Signal to noise ratio】>90dB【Product size】L: 98 x W: S upper 39/lower 48 x H: 168 mm[Features] Listen to songs, talk, voice prompts, can be connected to a computer, two speakers can be used in pairs[Product Accessories] Bluetooth speaker + charging cable + manual + color box packaging