Portable Bluetooth V4.1 Stereo Speaker with Strap, Built-in MIC, Support TF Card & AUX IN, Bluetooth Distance: 10m Filter-USB Sound Requires external power supply: You

Requires external power supply: You need to plug in a large 4-pin power port to work or use normally

Bluetooth provides a greater wireless range of 10m and an efficient connection to Bluetooth phones or devices

clear and bright picture

Weight: 23 grams

With DSP function and guide duct

Portable Bluetooth V4.1 Stereo Speaker with Strap, Built-in MIC, Support TF Card & AUX IN, Bluetooth Distance: 10m Filter-USB Sound Requires external power supply: You1. Designed with mesh premium, you can enjoy music with the case on 2. Protect your speaker out of Scratches 3. With strap, easy to carry outdoor 4. Bluetooth version: 4. 1 5. Battery charge time: about 3. 5 hours 6. Music play time: up to 15 hours 7. Battery type: Lithium ion Polymer(37Wh) Specification: General Compatible with Apple: iPhone 13 Pro Max , iPhone 13 , iPhone 13 mini , iPhone 13 Pro , iPhone 12 Pro Max , iPhone 12 , iPhone 12 Pro ,