3 In 1 Portable Wireless Bluetooth Speakers Bluetooth Headphone Power Bank

Product information: Bluetooth specification: Bluetooth 5.0 Support Bluetooth protocol: Support L2CAP/A2DP (AVCTP/AVDTP/AVRCP), which is used to receive stereo audio signals, and control the up-and-down operation of the audio transmitter through the protocol; Supports HSP/HFP (Handsfree profile), with hands-free function, and voice communication Wireless transmission range: 10M Audio performance-to-noise ratio: ≥ 90db Battery capacity: 1200-2000mAh Built-in voltage: 3.7V Normal volume playback: 5H~6H Horn specification: ￠ 52MM * 2 Horn power: 4 Ω/5W ＊ 2 Frequency response: 120HZ-80KHZ Product size: 46 * 46 * 126.5MM Product weight: 260g Packing list: Bluetooth speaker+charging cable+instructions