B90 Running Wrist Hand Buetooth Watch Portable Loudly Speaker Sports Music FM Radio Support 8GB 16GB TF Memory Card

Features: 1. FM radio. 2. Small, portable and wearable. 2. Bluetooth anti-loss alarm. 3. Take Bluetooth selfies while listening to music. 4. Support clock and alarm clock functions. 5. Bluetooth audio transmission and hands-free calls. 6. Support TF card WAV/MP3 music playback. Parameters: Product Name: Bluetooth speaker Product model: B90 Bluetooth version: 5.0 Connection distance: 10 meters Battery capacity: 400mah Charging port: micro usb Charging time: 2 hours Working hours: 6 hours Audio format: MP3/WAV Rated power: 3W Memory card type: MicroSD card Memory expansion: Up to 32GB Micro SD card (not included) Product material: ABS Product color: Black/Sier/Blue Product size: 70*45*25mm The package includes: 1*B90 wrist watch speaker 1* User manual 1*micro usb data cable Warm tips: 1. Due to manual measurement, please allow 1-2cm measurement deviation 2. Please read the user manual before use and charge the device for about 2 hours. 3. The music time will also depend on the volume of the music. 4. If no TF card is inserted, it will enter Bluetooth mode directly. 5. Do not place it in a hot and humid environment, avoid exposure to rain, and avoid collisions.