NILLKIN W2 Portable TWS Wireless Bluetooth V5.0 Speaker, Support MIC Calls

Features 1. Waterproof and splash proof, 3D video surround. 2. HD voice, 11.25 hours of endurance. 3. TWS interconnection, easy to operate. 4. Full-band balanced sound, good sound and listen. 5. 2x20w speaker specifications, the sound effect is amazing. parameter Features: IPX7, TWS, Maxx Audio DSP, 3D (Audio Surround mode) Type C, BluetoothV5.0, MIC support Wireless version: Wireless V5.0 ?? Wireless solution: Actions ATS2819 Transmission range: More than 15m Power connector: USB Type-c Power input: DC 5V/2.4A Play mode: Wireless/TF/AUX Audio format: WAV/APE/FLAC/MP3/WMA Speaker power: 20Wx2 Built-in battery: 7.2V 2500mA Play time: about 9 hours (volume 50%) Speaker specifications: 53mm 402 20W x 2 Signal to noise ratio: More than 85dB