Me8645 Bluetooth module is a use of CSR's CSR8645? Chip design. CSR8645 is the first way to achieve ROM CSR aptX audio technology platform solutions, marking a commitment to achieve CSR aptX high-quality audio technology used in the mass market. CSR8645 designed to provide superior sound, combined with a variety of core, market-leading features - such as with a variety of pre-set parameters, fully configurable, adjustable EQ-- concentrated in a flexible, height adjustable, ROM-based solutions. This solution is more suitable for cost-conscious mainstream consumer audio products, these areas tend to be more focused on time to market. Between CSR audio processing and Bluetooth wireless connectivity technology and home entertainment system with the highest quality stereo audio wireless transmission, both SoC can support TV, and other applications can be connected to the family, as well as smart phones, tablet PCs, PC and many other consumer products. CSR's aptX? Fidelity audio technology can connect via Bluetooth to provide excellent stereo sound speakers or headphones for wireless technology to provide acoustic echo and noise cancellation for high-quality speakers while CSR Clear Voice Capture (CVC?). Chip Type: CSR 8645/8640 Bluetooth version: Bluetooth 4.0 dual power level: 2 Supply voltage: 3.0-4.5V applications: HSP, HFP, A2DP, AVRCP pin functions: PIO, AIO, Audio IN / OUT features: ● low-cost, high-quality, ● operate voice prompts, ● Easy to cable, ● APT-X lossless audio, ● 20Hz-22KHz wide frequency response, ● Built-in rechargeable lithium battery 400mA maximum management Microelectronics Co., Ltd. of Shenzhen City, the US is committed to ex Bluetooth solution for many years, has accumulated experience in many different areas of Bluetooth solution, if there is doubt on this product, or leave for other Bluetooth solutions can be left wondering call our business TEL: 13922878735 (Miss Jiang) company dedicated to serve you !