Bluetooth 5.3 Connectivity Advanced Bluetooth 5.3 technology ensures stable and efficient wireless connection with auto power-off feature when not in use. Multifunctional Design Equipped with FM radio, USB, and TF card support for versatile audio playback options. Hands-Free Calling One-touch answer function for convenient hands-free phone calls. Portable and Stylish Compact size with a carrying handle strap, perfect for outdoor activities and on-the-go use. TWS Support True Wireless Stereo functionality allows pairing two speakers for enhanced stereo sound. Long-lasting Battery 1200mAh rechargeable battery provides approximately 2 hours of playtime. Powerful Sound Features a 52mm speaker driver with 5W output for rich, clear audio. Specifications: Bluetooth Version: V5.3 Transmission Range: ≥95dB Working Distance: 10m Battery Capacity: 1200mAh Built-in Voltage: 3.7V Playtime: Approximately 2 hours Speaker Size: 52mm Speaker Power: 4Ω/5W Charging Input: 5V/0.5A Dimensions: 170 x 83 x 86.5mm Weight: 315g