Sell B31 Wireless Adapter Bluetooth Audio Transmitter Receiver Audio Transmitter Receiver best price

Description: Features: ◆ This product is an OLED wireless audio receiver. After the Bluetooth-compatible of mobile phones, computers, PDAs and other digital products are connected to the device, you can enjoy Bluetooth-compatible music or hands-free calls through the device. ◆ With AUX audio interface, you can upgrade the car or home audio to a Bluetooth audio, listen to music wirelessly, and enjoy free music. ◆ The appearance of the product is exquisite, and it is easy to use and install. ◆ OLED work display screen, simple human-computer interaction operation, more convenient operation. ◆ Back-clamp design, easy to carry. ◆ 3.5MM audio output interface design, flexible and more versatile. ◆ Hands-free call, one-click answering of incoming calls. ◆ Built-in 250MAH battery, long battery life. ◆ The product connection is simple, without any cumbersome driving and downloading APP; Specifications: Model No: B31 OLED V5.0 Receiver Bluetooth-compatible version: V5.0 Support protocol: A2DP, AVRCP, HFP, HSP Working frequency band: 2.402GHz -2.480GHz Power level: power level 2 (Class II) Receiving sensitivity: -90dB at 0.1% BER Working current: <30MA (screen off) Built-in battery: 250MAH Charging current: about 200MA Charging time: about 2 hours Work display screen displays: Bluetooth connection status, playback status, volume value, power value, device name, music spectrum Life time: >10H Bluetooth distance:> 10M (open place) Charging method: Micro USB 5V Output connection mode: 3.5MM stereo interface Compatible: Android, IOS system mobile phone and PAD, and other audio equipment with AUX input function Package Included: 1*Host 1*USB cable 1*Audio cable 1*Manual Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Please leaving a message before you give the bad feedback, if the products have some problems. Thanks for your understandings.