VIKEFON BT-21 Bluetooth 5.0 Adapter Bluetooth Audio Transmitter Receiver1. Bluetooth version: V5. 0 2. Support protocol: RX supports A2DP, AVRCP, TX supports A2DP 3. Working frequency band: 2. 402GHz 2. 480GHz 4. Power level: Level 1 5. Sensitivity: 80dBm is less than 0. 1% BER 6. Signal to noise ratio: greater than or equal to 75dB 7. Distortion: less than or equal to 0. 1% 8. Support dual stream (TX mode supports one transmitter to connect two Bluetooth speakers or headphones at the same time to use one CODEC) 9.

which can be put into wet towels

Gray scale: 500

Zoom method: slide bar

One Package Size 20cm * 13cm * 9cm / 7

AGM spiral type or gel battery or lithium battery

the appearance is bright and hard

Video shooting frame rate: 4K 30fps video shooting

offering stable and responsive performance up to 10 meters away from the receiver

Input and output DDC signal: 5Vp-p (TTL)

beautify the sound

quiet and elegant office wireless mouse

Weight: 146g